| Reference | Response Date | Request and response | 
| 2526104 | July 2025 | Provide a complete and current extract of your organisation’s contract register, total number of active contracts and procurement strategy for 2025/2026 including contact information for head of departments.   Response Annex A Annex B | 
| 2526125 | July 2025 | Request for a summary of the latest PFAS survey in final treated water.   Response Annex A | 
| 2526123 | June 2025 | Water quality data across NI for research purposes.     Response | 
| 2526117 | July 2025 | Essentially I’m looking for average, maximum and minimum reservoir levels averaged for Northern Ireland by date of the year, including 2025 data to compare to previous years.     Response | 
| 2526111 | July 2025 | Various queries relating to water pipes location, if they are mapped on our system, and how many contain asbestos.     Response | 
| 2526108 | July 2025 | What is NI Water's best current estimate of how reported wastewater compliance would change if flow were to be taken into consideration as part of the compliance for all of its wastewater treatment works serving more than 250 people.     Response | 
| 2526093 | June 2025 | For the years 2019 through 2025, please provide the following information for each of the industrial and commercial categories listed below: 
Average, minimum, median, and maximum price charged per cubic metre for water.
The total volume of water used and the total charges levied in each category per year. In addition, requesting the same type of aggregated data for the costs of water supplied to companies serving the non-household retail water market in your area (i.e., wholesale water supplied to non-household retailers).  Finally, please tell me how much water you abstract each year (2019-25), from which sources (sw/gw/tw/other) and how much is brought in from other water company areas (specifying the area).   Response | 
| 2526089 | July 2025 | Queries relating to licencing and IT related products and services. Response | 
| 2526074 | July 2025 | 
The total number of planning applications NI Water has recommended for refusal on the basis of current infrastructure constraints since May 2024. Please break this down by council area please.The current number of properties currently in its pre-planning enquiry stage not able to connect to the system, due to improvements or increased capacity being required. If possible can you break this information down into council areas.The number of developments which can proceed but only with self-funding from developers. Response  | 
| 2526073 | July 2025 | Please provide details of the Public Private Partnership NI Water has entered into with Veolia Ltd.   Response | 
| 2526072 | July 2025 | A full list of all the chemical substances identified in the testing of sewage sludge, which is ultimately spread on agricultural land to include an explanation of the testing regime in place to identify any potential contaminants in the sludge and ensure safety for the environment and/or public health and copies of any relevant reports concerning the same since 2010.   Covering Letter Annex A Annex B   | 
| 2526054 | June 2025 | 
Are there any recent reports or data indicating environmental or public health risks at Ballyholme Beach?Has there been any recorded pollution or sewage overflow in the area in recent weeks?Are any investigations underway, or are public advisories being considered in light of this incident?   Response   | 
| 2526047 | June 2025 | Aggregated data relating to water abstraction and associated charges for industrial and commercial users in the SES area, broken down by category and year.   Covering Letter     | 
| 2526043 | April 2025 | How much has NI Water spent in advertising promoting its brand on Spotify in the past three years and how much has NI Water spent promoting its brand in the past three years broken down into the amount spent on different advertising channels, eg social media, outdoor billboards, print media, radio, TV etc.   Covering Letter Annex A   | 
| 2526038 | May 2025 | The number of Loughshore residents and, if possible/figures available, residents within the Lough Neagh catchment who contacted NIW (either via helplines or through other means/channels) with queries or concerns regarding the lough and drinking water during the summer and autumn months of 2023 and 2024 [clarified as the period 1 May – 30 November] versus the figures for other months of the same years and also for previous summers (2022, 2021 and 2020).   Response   | 
| 2526033 | April 2025 | Can NI Water provide information on quantity of discharges from Drumbeg WwTW into the river Lagan.   Covering letter Annex A   | 
| 2526032 | April 2025 | Information on the quantity of discharges from Drumbeg Wastewater Treatment Works (WwTW) into the River Lagan.   Response   | 
| 2526012 | April 2025 | In relation to all water treatment and sewage treatment plants over the last 5 years, please outline the number of staff working in each site carrying out inspections on WTE basis.     Response   | 
| 2526001 | April 2025 | Cleanup costs for removing bonfire waste at Stoneyford site.   Response   | 
| 2425646 | 3 April 2025 | Please provide me with the following information for each NI Water WWTW which discharges into the hydrological catchment area of Belfast Lough. 
NameLocationMaximum permitted flow capacityVolume of flow entering Response | 
| 2425646 | April 2025 | Please provide me with the following information for each NI Water WWTW which discharges into the hydrological catchment area of Belfast Lough. 
NameLocationMaximum permitted flow capacityVolume of flow entering   Response   | 
| 2425638 | 3 April 2025 | What percentage of NI Water’s watermains network consists of iron (spun, ductile and cast) | 
| 2425638 | April 2025 | What percentage of NI Water’s watermains network consists of iron (spun, ductile and cast).   Response     | 
| 2425637 | April 2025 | Information on NI Water projects which have successfully dealt with unsatisfactory CSOs to include the cost of project and environmental impact. Response | 
| 2425634 | March 2025 | PFAS chemicals in public drinking water supply networks, in line with similar UK-wide initiatives.   Covering letter Annex A   | 
| 2425624 | 19 March 2025 | Technical drawings of Ben Crom Dam. | 
| 2425622 | 20 March 2025 | 
The number of septic tanks emptied within the Lough Neagh catchment area annually between 2015 and the present day.The number of septic tanks emptied across Northern Ireland annually between 2015 and the present day.Any figures (either estimates or total calculated) on how much this work costs NI Water per year - for both the Lough Neagh catchment and across Northern Ireland as a whole.Copies of any reports produced by the NI Water on the same during this time. Response | 
| 2425622 | March 2025 | Number of septic tanks emptied within the Lough Neagh catchment area annually between 2015 and the present day and number of septic tanks emptied across Northern Ireland annually between 2015 and the present day. Also figures (either estimates or total calculated) on how much this work costs NI Water per year - for both the Lough Neagh catchment and across Northern Ireland as a whole.   Response   | 
| 2425613 | 11 March 2025 | The daily capacity of the treatment works online and the volume of water that each plant is capable of processing. | 
| 2425609 | April 2025 | Details regarding any investment(s) NI Water has had to make at its Derg Water Treatment Works (WTW) to protect customers from agricultural discharges, specifically and details regarding any investment(s) NI Water has had to make at its Derg Water Treatment Works (WTW) to protect customers from other pressures locally (e.g. new urban development). Also, how many times in the last 5 years and when exactly has NI Water had to close raw water intake/turn off intake pumps at the River Derg? Please explain what the cause for this action was on each occasion.   Response | 
| 2425608 | 8 April 2025 | Please provide details of the number of Event Duration Monitors (EDMs) in place across Northern Ireland for each year between 2020 and 2025, including details on location, installation date and the number of EDMs in any one given location if there are multiple. Response | 
| 2425608 | April 2025 | Details of the number of Event Duration Monitors (EDMs) in place across Northern Ireland for each year between 2020 and 2025, including details on location, installation date and the number of EDMs in any one given location if there are multiple.   Covering letter Annex A   | 
| 2425595 | 24 March 2025 | Information relating to final effluent sampling for large wastewater plants that discharge into Belfast Lough. | 
| 2425595 | March 2025 | Sample results for 2024 under the UWWTR (NI) (2007) of all final effluent sampling for large wastewater plants that discharge into Belfast Lough - Carrickfergus, Greenisland, Whitehouse, Belfast and Kinnegar to include a summary table that lists the annual averages of each parameter, the required compliance standard (under the UWWTR) for each parameter and NIW’s assessment as to which parameters passed or failed.   Covering letter Annex A   | 
| 2425592 | May 2025 | The number of Loughshore residents and, if possible/figures available, residents within the Lough Neagh catchment who contacted NIW (either via helplines or through other means/channels) with queries or concerns regarding the lough and drinking water during the summer and autumn months of 2023 and 2024 versus the figures for other months of the same years and also for previous summers (2022, 2021 and 2020).   Response   | 
| 2425591 | April 2025 | Information about water and wastewater sludge relating to 2023 and 2024 including: - 
 or mass of sludge produced (e.g., tonnes per year).Source of sludge (e.g., specific wastewater treatment works)Treatment locationCharacteristics of the sludgeType of treatment appliedLocations where sludge is temporarily storedDuration times for storageDisposal methodsSites where sludge is appliedMax heavy metal concentrations in sludgeMax pathogen and contaminant levels   Covering Letter   Annex A   Annex B | 
| 2425585 | 3 April 2025 | The number of residents left without water during storms affecting Northern Ireland since 2014. | 
| 2425585 | April 2025 | How many homes were left without water due to storms in Ireland since 2014? Covering Letter Annex A | 
| 2425579 | March 2025 | NI Water’s Wastewater Treatment Works specifications. Covering Letter Annex A | 
| 2425572 | March 2025 | Lead exceedances in drinking water. Covering Letter Annex A | 
| 2425566 | 13 March 2025 | A list of all overflows that have been identified as impacting bathing waters in Northern Ireland, including their reference number, the name of the designated bathing water affected by each overflow and any available data on how each overflow has been assessed in relation to its impact on bathing water quality. Response Annex | 
| 2425560 | 11 March 2025 | Confirmation of the purpose of the ground rent paid to the Shaftesbury Estate by NI Water. | 
| 2425558 | 10 March 2025 | In August last year 19,000 applications for development of housing could not go ahead due to wastewater infrastructure. Would you be able to update me as to what that figure is now? | 
| 2425550 | 19 February 2025 | Information pertaining all Wastewater Treatment works locations, size and Population Equivalent (PE) rating. | 
| 2425545 | 3 March 2025 | 
What is the primary SIC 2007 code for your organisation's activities?How many workers are directly employed by your organisation?Do you recognise any trade unions in your workplace? If so, please name them.What was the date your latest pay settlement/agreement came into effect?What date will your next pay settlement/agreement begin?In this latest settlement/agreement, what was the percentage pay increase for your lowest-paid employee?In this latest settlement/agreement, what was the standard percentage pay increase?What is the job title(s) and hourly rate of your lowest-paid employees? Response | 
| 2425532 | 4 March 2025 | Does NI Water test or arrange for the testing of any water for which it is responsible (such as water supply and wastewater treatment including rivers, reservoirs and groundwater) for PFAS (Per- and polyfluorinated alkyl substances, also known as the ‘Forever Chemicals’. If this is the case, which chemical(s) do you test for, what water do you test, when did you start testing and how often do you test? Response Annex | 
| 2425527 | 20 February 2025 | Raw water source for each council, water supply zone and postcode from 2002 onward (.zip file). | 
| 2425512 | 29 January 2025 | Fluoridation of the water supply of Northern Ireland. | 
| 2425506 | 24 February 2025 | 
Please provide a list detailing NI Water's 20 largest annual capital investment expenditure commitments and outlays per year between 2020 and 2025.Please provide a breakdown including details of projects and relevant expenditure. Please also make a clear distinction between stated commitments or capital investment expenditure and actual expenditure on new capital investment. Response | 
| 2425503 | 12 February 2025 | 
Has NI Water to date received any funding for PFAS / PFOA management?If NI Water has not received funding for the above, is NI Water actively requesting funding for PFAS / PFOA management?Has the NI Water developed a PFAS / PFOA strategy including management, testing and monitoring for these parameters within water and sludge?Has NI Water to date undertaken any testing of water and sludge to date? If so, can the sampling methodology and test results be provided?Has NI Water undertaken any engagement or communication exercise with commercial farmers with regards to sludge and the potential for PFAS / PFOA? Response Annex with data | 
| 2425498 | 25 February 2025 | For any single hospitality item for the period February 1, 2024 - January 20, 2025, where the cost incurred was greater than £250, including date; a description of the gift/event; its purpose/rationale; and the role/position of the recipient. Response | 
| 2425487 | 13 March 2025 | A copy of all correspondence and communications held by NI Water in relation to the Shaftesbury Estate between 1st April 2007 and the present day and any records showing a summary of NI Water decision-making that concerns or involves the Shaftesbury Estate in any way since 1st April 2007. Response | 
| 2425458 | January 2025 | 
Is the inability to meet flow compliance at WWTW endemic across NI?What percentage of WWTW in Northern Ireland are unable to meet flow compliance?Dry Spilling from CSO's and Emergency CSO's, what percentage of these storm overflows are dry spilling in Northern Ireland?What is the effect of the SORPI with NIEA and the flow compliance breaches, dry spilling and WWTW breaches of UWWTD in terms of regulation? Wastewater Flow Compliance and Storm Overflows | 
| 2425416 | December 2024 | 
How frequently and what type of water quality testing does NI Water perform to monitor the effects of their actions?How much (volume) and how often (number of occasions in 2024) has NI Water knowingly released sewerage into Belfast lough? Wastewater emissions to Ballyholme Bay, Bangor | 
| 2425414 | December 2024 | Quantity of orthophosphate used in NI Water Water Treatment Works between 2003-2024 Response | 
| 2425394 | November 2024 | Data regarding water treatment dosing, phosphorous and/or phosphate measured at the consumers tap and leakage figures. | 
| 2425386 | November 2024 | 
What are the arrangements, since 2019, for the treatment of sewerage arising in Crumlin? Which WWTW or WWTWs treat this sewage and where are the corresponding outfalls to the environment? Please provide the coordinates of the installations and outfalls.Which of the NI Water sewage management installations (WWTW and CSO) which discharge into the catchment area of Lough Neagh have records at a minimum of weekly frequency of the outflow quantity and of the concentration in that outflow of Total Phosphorus? Please indicate the relevant recording frequency in each case. In cases in which such instrumentation will be in operation in the near future, please indicate the expected date from which such records will be kept. Treatment of sewerage in Crumlin | 
| 2425383 | November 2024 | A spreadsheet of all NI Water's active trade effluent consents to include name and location (latitude and longitude) of the Wastewater Treatment Works receiving the effluent, the name of the trader that holds the consent, the consent reference number, the type of business and what is consented to be discharged, substances and volumes. Trade Effluent Consent Register covering letter Trade Effluent Consent Register (.xls document)N.B. This dataset is accurate as of November 2024. Should you require access to a more up-to-date version, please contact imu@niwater.com
 | 
| 2425377 | November 2024 | I attach the NI Water Consultation response for this scheme. NI Water have noted the following: 
Wastewater Treatment Capacity is not available at Greenisland WWTWUnsatisfactory Intermittent Discharge (UID) at Greenisland Two WWPS. As part of a Freedom of Information Request can you please provide us with the following information: Greenisland WWTW 
A copy of the Discharge Consent issued to NIW by DAERA for the Greenisland WWTWFull Details of all recorded breaches of this discharge consent within the last 5 years (Dates, Durations and associated volumes) Greenisland Two WWPS 
A copy of the Discharge Consent under Emergency Conditions issued to NIW by DAERA for the WWPSFull Details of all recorded breaches of this discharge consent within the last 5 years. (Dates, Durations and associated volumes) Greenisland Wastewater Treatment Works & Greenisland Wastewater Pumping Station | 
| 2425366 | December 2024 | 
NI Water takes samples at its wastewater facilities. Please provide the results of this sampling, where applicable, for the past 2 years.It has sampled water from wastewater facilities both on an announced and on an unannounced basis. Did these parallel sampling regimes find any disparity between the results? What was the disparity?Please provide the results for both sampling conditions.Please provide any report, document or internal memo discussing the disparity between results arising from these different sampling regimes.What work, if any, has NNI Water undertaken examining the flow compliance of its wastewater treatment works?New legislation is due to be implemented which will require wastewater treatment works and CSOs to meet more stringent standards in order to be judged as compliant or acceptable. Has there been any analysis of the impact this will have on NI Water’s assets? If so, please provideSpecifically, how many of NI Water’s wastewater assets are currently compliant? How many would comply with the more stringent standards due to be implemented. Wastewater Flow Compliance & Wastewater sampling | 
| 2425349 | November 2024 | 
What rate of flow the sewers and pumping stations should be capable of delivering to a WWTW, and what each WWTW must be capable of treating?What sewers and pumping stations are not capable of delivering this rate of flow to a WWTW, and which WWTW are not capable of treating this rate of flow.All data held by NI Water in relation to the above.Public money has been used by NI Water to carry out a regime of unannounced sampling. This data that has been collected using public money should be made available to the public. Please provide this information. Covering letterFlow Results
 | 
| 2425341 | November 2024 | Copies of all with emails, letters, memos, briefing documents and mobile phone communications held by NI Water between June 2024 and September 2024 (or the longest time period possible to comply with cost and time exemptions), that make reference to the issue of water quality in parts of Mid Ulster. | 
| 2425340 | October 2024 | Details of NI Water’s testing methods and proof that NI Water’s test samples from the last 4 weeks are in fact safe to consume under Article 295 of the Water and Sewerage Services (NI) Order 2006. | 
| 2425339 | October 2024 | Internal Review of 2425285 i.e. data not disclosed relating to Lough Neagh. Covering Letter Results Annex (.xls document) | 
| 2425336 | October 2024 | Water quality results for the Gulladuff / Knockloughrim area. | 
| 2425335 | October 2024 | Real-world data for the different concentrations (µg/L) of these cyanobacteria and others in the water treatment sites (Dunore Point, Moyola, Forked Bridge and Castor Bay) at Lough Neagh. | 
| 2425330 | October 2024 | 
How many sewage outlets run into Lough Neagh and their locations.The specific quantities of discharge from each outlet. Storm Overflows to Lough Neagh | 
| 2425329 | September 2024 | Please could you send me a list of all the septic tanks in NI? Please include the post code and lat/long of each. | 
| 2425299 | August 2024 | Figures for sewage related debris found at locations in Derry. | 
| 2425294 | September 2024 | 
A full list and quantities of all chemical substances used at water treatment works and other water processing facilities at Lough Neagh.The annual costs associated with each water processing facility at Lough Neagh during 2019, 2020, 2021, 2022, 2023 and 2024 up to the latest point possible.Levels of PFAS recorded at Lough Neagh testing points (please identify which testing points these are) during 2019, 2020, 2021, 2022, 2023 and 2024 up to the most recent possible point.Levels of PFAS recorded at testing points (please identify which testing points these are) during 2019, 2020, 2021, 2022, 2023 and 2024 up to the most recent possible point for the following rivers: (i) Lower Bann (ii) Upper Bann (iii) Blackwater estuary (iv) Sixemilewater estuary (v) Glenavy River (vi) Crumlin River (vii) Moyola River (viii) Ballinderry River (ix) River Main. Water Treatment Chemicals & Costs for WTWs at Lough Neagh & levels of PFAs recorded at Lough Neagh | 
| 2425285 | September 2024 | 
Water quality data for tributaries to the lough, ideally sampled within 1km of the lough.WFD physico-chemical parameters: temperature, dissolved oxygen (mg/l and %), pH, orthophosphate, total phosphorus, nitrate, alkalinity, suspended solids.In-lake water quality data. WFD physico-chemical parameters: temperature, dissolved oxygen (mg/l and %), pH, orthophosphate, total phosphorus, nitrate, chlorophyll, alkalinity, suspended solids/turbidity, salinity, hardness (mg/l of CaCO3), depth, conductivity.Algae species/ cyanobacteria speciesIn-lake depth profiles (temperature/dissolved oxygen).Lake levels for Lough NeaghDirection of flow of water within the lake, including near bed flow.Any in-lake sediment quality data - phosphorus and nitrogen.Distribution of high-level substrates (e.g., rock, sand, clay) in lake, ideally in the form of a shapefile or map. Otherwise point data, or similar.Weather data, ideally recorded within 1km of the lough (temperature/rainfall/wind speed)Presence and abundance of zebra mussels in lake.Locations of any anthropogenic activity e.g., recreational boating and fishing, and the level of activity. Ideally heat maps. Otherwise point data, or similar. Data relating to Lough Neagh | 
| 2425279 | August 2024 | 
Can you tell me what areas - Council areas - of Northern Ireland source drinking water from Lough Neagh?Can you say how often this drinking water is tested for safety? Water Source by Council area | 
| 2425258 | August 2024 | Please send me any determinations made of the phosphorus content of the flows of sludge and of the flows of the incineration residues. Phosphorus content of Wastewater sludge flows & incineration residues | 
| 2425249 | August 2024 | 
Please could you send me the spreadsheet that is downloadable from this page called Modelled Spills May 2024 but include the lat and long of each of the CSOs on the list?Please could you also confirm that this is a comprehensive list of all CSOs and emergency overflows? If not, please could they be added, even if they have not spilled. All with lat and long.Please could you also add all wastewater treatment works, their names and lat and long. Storm Overflow Spreadsheet | 
| 2425247 & 2425248 | August 2024 | 
The volume, in tonnes, of sewage/wastewater that has been discharged into the Lough Erne system from January 1, 2024, to July 25, 2024, from both Wastewater Treatment Works (WWTW) and Combined Sewer Overflows (CSO). Please provide the information in a table format, detailing:
LocationSpill frequency (since January 1, 2024)Spill volume (tonnes, since January 1, 2024)Any photographic or video evidence of overflows/discharges at Enniskillen DA Wastewater Treatment Works (WWTW) and Combined Sewer Overflows (CSO) from January 1, 2024, to July 25, 2024. This should include:
Photographs or videos taken by NI Water staff for the purposes of record-keeping or incident reporting.The volume, in tonnes, of sewage/wastewater that has been discharged into the Lough Erne system from January 1, 2023, to December 31, 2024, from both Wastewater Treatment Works (WWTW) and Combined Sewer Overflows (CSO) to include:
LocationSpill frequency (from January 1, 2023, to December 31, 2024)Spill volume (tonnes, from January 1, 2023, to December 31, 2024)Any photographic or video evidence of overflows/discharges at Enniskillen DA Wastewater Treatment Works (WwTW) and Combined Sewer Overflows (CSO) from January 1, 2023, to December 31, 2024, to include photographs or videos taken by NI Water staff for the purposes of record-keeping or incident reporting. Wastewater Emissions to Lough Erne | 
| 2425230 | 14 August 2024 | Information about NI Water’s following Information Technology contracts including Enterprise Resource Planning (ERP) software, Customer Relationship Management (CRM) solution, Primary Human Resources (HR) and Payroll software solution and Primary corporate Finance Software Solution. Response | 
| 2425230 | 14 August 2024 | Information about NI Water’s following Information Technology contracts including Enterprise Resource Planning (ERP) software, Customer Relationship Management (CRM) solution, Primary Human Resources (HR) and Payroll software solution and Primary corporate Finance Software Solution. Response | 
| 2425226 | July 2024 | How many Unsatisfactory Intermittent Discharges (UIDs) have taken place in the Portrush area in the last five years. Storm Overflows in the Portrush area | 
| 2425224 | August 2024 | Please provide me with the following information for each NI Water WWTW which discharges into the hydrological catchment area of Lough Neagh. 
NameLocationMaximum permitted flow capacityType of treatment providedMaximum permitted concentration of Total Phosphorus in the treated effluentExtent of current compliance with the maximum permitted operational limitsPresence in the WWTW or in its vicinity of any Combined Storm Overflows (CSO)Location and maximum permitted capacity of any CSOs which are present. NI Water’s Wastewater Infrastructure at Lough Neagh | 
| 2425216 | August 2024 | Information about sewage treatment sludge disposal in the Lough Neagh catchment area, to include details of the ways in which these sludges are disposed of and of the locations at which this disposal occurs. | 
| 2425212 | August 2024 | 
A map of all Wastewater Treatment works (WWTWs) and Combined Sewer Overflows (CSOs) in the Lough Neagh catchmentLough Neagh WWTWs effluent data from these from 2015-presentLough Neagh WWTWs Population EquivalentsWWTWs current Discharge ConsentsWWTWs age and date of last upgradeCSO data and/or CSO spill frequency from 2015-presentSeptic tank count and map of ST locations in Lough Neagh catchment Lough Neagh Covering Letter Lough Neagh Annex A - WwTW and Consent Limits (.xls document) Lough Neagh Annex C - Effluent Data 2015 to date (.xls document) | 
| 2425206 | July 2024 | 
How many combined flow discharges points can overflow to waterways during heavy rainfall.Whether these overflows are monitored by volume; and or an event.The number of events; and / or volume at each overflow location in the last year.How many of these enter Lough Neagh and its catchment area directly; and / or by other means.The number of wastewater treatment facilities that can discharge directly; and indirectly into Lough Neagh or its catchment area and have breached discharge consent in the last 5 years; and the associated volume; and level above discharge parameters with each breach.Number of wastewater treatment facilities controlled by NI Water, broken down by discharge location, the average volume of discharge during normal conditions and heavy rainfall causing maximum flow; and how many of these discharge points can enter Lough Neagh directly; and / or by other means. Information relating to wastewater discharges, their monitoring and specific queries about discharges into Lough Neagh | 
| 2425199 | July 2024 | Since the start of the year how many cases of untreated sewage dischargement, leaking into the Foyle from NI Water infrastructure has there been?Wastewater emissions to the River Foyle
 | 
| 2425181 | July 2024 | 
Do discharges via the sewage system at Antrim Area Hospital drain solely to the Antrim Wastewater Treatment Works?Is the waste sludge from Antrim Wastewater Treatment Works sent for incineration or repurposed for agricultural use?Is some of the wastewater from Antrim Wastewater Treatment Works used for irrigation or does it all flow directly into Lough Neagh?What is the flow rate of wastewater from Antrim Wastewater Treatment Works into Lough Neagh?Are NI Water or NI Water contractors aware of any wastewater distribution models for the dispersion of wastewater in Lough Neagh?What is the daily dry weather flow (DWF) rate through the Antrim Wastewater Treatment Works? Wastewater Discharges to Antrim Wastewater Treatment Works | 
| 2425178 | July 2024 | Number of planning applications for which NI Water has recommended refusal since 2018 on the basis of insufficient wastewater infrastructure and on the basis that there is not enough capacity in the storm overflow system. Planning applications for which NI Water has recommended refusal since 2018 | 
| 2425092 | May 2024 | 
How much wastewater your Newry treatment works is required to treat, as stipulated in its permit.How much is actually treated. Please express this in whatever manner it is recorded by NI Water (FFT or other).Please also express the amount treated as a proportion of what is required to be treated. i.e. Newry treats 50% of the amount of wastewater it is required to treat. Please communicate it in a way that it would be easy for a non-specialist to understand. Newry Wastewater Treatment Works | 
| 2425091 | July 2024 | 
Number across Northern Ireland and within each council area?Which are in need of the most significant upgrades and why.How much needs to be spent in each city/area?Are there any areas where new water treatment works need to be built and if so, can you explain why and what impact it is having that there is none.Are there any areas which are not connected into the sewage network and water treatment works and if so, what are these locations?What happens if an area is not connected to waste water treatment works?In what areas is poor water infrastructure having the greatest impact on house building?Can you put any figures to that in terms of projects where objections had to be put forward because the water infrastructure could not cope with housing units being built?What happens if hundreds of houses are built in an area where the wastewater infrastructure is already under pressure?Can and are housing projects approved even if NI Water makes strong objections? Water and Wastewater Treatment Works | 
| 2425076 | May 2024 | River Faughan Water Quality Information about water quality monitoring for the number of days NI Water recorded “hazing” in the River Faughan between April and October in both 2019 and 2020.River Faughan Water Quality
 | 
| 2425072 | May 2024 | Tonnage of waste per year since 2002 coming from home-owned septic tanks.Septic Tank Waste Tonnage
 | 
| 2425060 | April 2024 | Drainage Area Studies - Which drainage area studies are still missing and how many are complete and how many are still being worked on?Drainage Area Studies
 | 
| 2425059 | May 2024 | 
Wastewater SpillsWastewater Spills including sewage spills by council area or constituency area,locations of the 50 Storm Overflows that release the most sewage annually, including frequency of spill, estimated volume spilled annually, location of spill,quantity of wastewater spills to River Foyle in Derry from Storm Overflows,quantity released annually into the River Foyle,quantity released annually from pipes within 10 miles of Castlerock and Portstewart and Portrush beaches,quantity released annually from pipes in Coleraine into the River Bann andmost up to date estimate for what is released into Lough Neagh on an annual basis. | 
| 2425058 | May 2024 | Wastewater Treatment Works Effluent Data - Three years of effluent and influent data, for Belfast Wastewater Treatment Works. |