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Country by country

Boil-water and do-not-drink notices: country by country

Of 62 countries, only Ireland keeps one national boil-water notice list; 3 have state lists and 42 have no official source found.

Updated 2026-10-27· 74 official sources

Short answer. Of the 62 countries compared, only Ireland, where a single national operator publishes the notices, keeps a single national list of boil-water notices 1. Sweden's Krisinformation.se carries the notices judged important 2. Australia (New South Wales only) 3, Canada 4 and the United States 5 have state or provincial lists. For 42 countries, no official source on notices could be verified.

How do the 62 countries compare?

Each country links to its full page. "Not found in official sources" means the official sources reviewed did not show the point; "unconfirmed" means the issuing body is described nowhere in a source we could open. The last column lists only pages a resident can read: an API or a raw dataset on its own is not counted as a public page.

Europe

Country Who issues notices National list or register? Where residents see their water results
Austria Unconfirmed Not found in official sources trinkwasserinfo.at, by postcode; suppliers add their data voluntarily, so coverage is incomplete 6
Belgium Water distributors and municipalities 7 None: no national source 7 Flanders: VMM figures by municipality 8; De Watergroep by postcode 9; Wallonia: SWDE by municipality served 7
Bulgaria Unconfirmed Not found in official sources Not found in official sources
Croatia Unconfirmed Not found in official sources HZJZ national reports and county releases; no data by network found 10
Cyprus Unconfirmed Not found in official sources Not found in official sources
Czech Republic Unconfirmed Not found in official sources SZÚ national annual reports; no public results by network found 11
Denmark Unconfirmed Not found in official sources GEUS Jupiter database: drinking-water analyses for more than 35,000 abstraction plants, by waterworks 12
Estonia Unconfirmed Not found in official sources Terviseamet public database: 971 water systems by county, municipality and operator, with compliance status and date 13
Finland Unconfirmed Not found in official sources Not found in official sources
France Unconfirmed None: sampling conclusions can flag water as non-compliant, one to two months late 14 No resident page among verified sources; results are published as an API and a bulk download 1415
Georgia Unconfirmed Not found in official sources No drinking-water data page found on the NCDC site 16
Germany Local health offices (Gesundheitsämter) can send them through the national warning system 17 No dedicated list; NINA district warnings can carry them, not systematically 17 UBA national summary only; detailed analyses on each supplier's site (about 5,800 suppliers) 18
Greece Unconfirmed Not found in official sources In Attica: EYDAP describes its laboratory checks and a 2025 compliance certificate; no results by neighbourhood 19
Hungary Unconfirmed Not found in official sources NNGYK drinking-water quality page, which lists the national "Ivóvízminőség 2024" report; municipal lookup not located 20
Iceland The local water utility or health inspectorate 21 None: MAST publishes general boil guidance only 21 MAST consumer page has no per-network data; utilities such as Veitur in Reykjavík publish their own 22
Ireland Uisce Éireann, the single national operator 1 Yes: one national list, searchable by Eircode, with maps of affected areas 1 Uisce Éireann lookup by Eircode 23; EPA annual report by public supply (PDF) 24
Italy Unconfirmed Not found in official sources Ministero della Salute portal is general; no data by municipality 25
Latvia Unconfirmed Not found in official sources Veselības inspekcija (Health Inspectorate) pages; no public results database by supply 26
Lithuania Unconfirmed Not found in official sources Not found in official sources
Luxembourg Unconfirmed Unconfirmed: the AGE news feed carries water notices (a bathing ban on 10 Sep 2026); no boil notice seen 27 AGE drinking-water page; no open results found 28
Malta Unconfirmed Not found in official sources Not found; the regulator REWS publishes no analyses by locality 29
Moldova Unconfirmed Not found in official sources Not found in official sources
Netherlands Each drinking-water company, often by postcode; NL-Alert in serious cases 30 None: no national feed 30 Each company by postcode, e.g. Vitens 30; ILT supervision reports 31
Norway Each kommune, on its site and by SMS, e.g. Bergen 32 None: no national feed 32 FHI drinking-water pages; waterworks and kommuner publish results locally 33
Poland The district sanitary stations (PSSE), about 318 34 None: notices sit page by page on PSSE sites, with no national feed 34 GIS national report (2020-2022); network evaluations on each PSSE page 35
Portugal Unconfirmed Not found in official sources ERSAR search by municipality, mainland Portugal only 36
Romania Unconfirmed Not found in official sources Not found in official sources
Serbia Unconfirmed Not found in official sources Batut annual reports; no detail by network found 37
Slovakia Unconfirmed Not found in official sources Not found in official sources
Slovenia Unconfirmed Not found in official sources NIJZ national annual reports (PDF); no data by municipality 38
Spain Unconfirmed Not found in official sources SINAC citizen lookup: region, province, municipality, then supply zone 39; national annual reports 40
Sweden Kommuner (municipalities) 2 Partial: Krisinformation.se carries the notices judged important, not every local one 2 No national dataset; each kommun publishes its waterworks' analyses, on about 290 sites 41
Switzerland Unconfirmed Not found in official sources trinkwasser.ch / eaupotable.ch, by postcode or map; publication is voluntary for suppliers 42
Turkey Unconfirmed Not found in official sources Not found in official sources
Ukraine Unconfirmed Not found in official sources No resident page verified; a few cities' water utilities publish datasets on data.gov.ua 43
United Kingdom Each water company, for boil-water and do-not-drink notices 44 None: no national feed 44 Each company by postcode, reached through the DWI map 45; DWI annual report by company and supply zone, England and Wales 46

Americas

Country Who issues notices National list or register? Where residents see their water results
Argentina Unconfirmed Not found in official sources No published results found; ERAS sets 39 quality parameters for AySA in the Buenos Aires metropolitan area 47
Brazil Unconfirmed Not found in official sources No resident page verified; SISAGUA results by municipality and supply system are an open dataset 48
Canada Unconfirmed nationally; Quebec and Manitoba agencies publish lists 449; Indigenous Services Canada for First Nations 50 No federal register; lists in Quebec (E. coli notices only) 4, Manitoba (PDF) 49 and for First Nations south of 60° 50 No national page; in Ontario, results by system as open data 51
Chile Unconfirmed Not found in official sources Not found in official sources
Colombia Unconfirmed Not found in official sources No resident page verified; the IRCA risk index by municipality is an open-data API 52
Costa Rica Unconfirmed; AyA has an interruptions page 53 Unconfirmed: AyA's interruptions page showed no readable content 53 AyA site; no quality report by system found 54
Mexico Unconfirmed Not found in official sources Not found; the RENAMECA network covers surface and groundwater, not tap water 55
Peru SEDAPAL announces outages by district in Lima; no boil notices 56 None: outages only 56 No results dataset found; DIGESA monitors water quality 57
United States Unconfirmed nationally; state health departments list them in Florida and Mississippi 558 No federal real-time register; state lists in Florida 5 and Mississippi 58 Consumer Confidence Report: a yearly report from each community water system 59

Asia and Oceania

Country Who issues notices National list or register? Where residents see their water results
Australia Water utilities and councils; NSW Health in New South Wales 3 No national register; NSW Health keeps a table of notices, New South Wales only 3 Not found in official sources
India Unconfirmed Not found in official sources JJM-WQMIS dashboards: test results by village and habitation 60
Indonesia Unconfirmed Not found in official sources Not found in official sources
Japan Unconfirmed Not found in official sources JWWA database by supplier, run by an association, not a public body 61
Kazakhstan Unconfirmed Not found in official sources Not found in official sources
Malaysia State water operators (about 15) announce supply disruptions, e.g. Air Selangor 62 None: disruptions only, no boil notices as such 62 Not found in official sources
New Zealand District councils and suppliers, e.g. Watercare in Auckland 63 None: no national list of current notices 63 Hinekōrako public register of supplies, with no test results 64
Philippines Unconfirmed Not found in official sources Not found in official sources
Singapore Unconfirmed Not found in official sources PUB drinking-water quality report (PDF) 65 and dataset 66; one national network
South Korea Unconfirmed Not found in official sources No resident page verified; K-water results by treatment plant through an open API 67
Taiwan Taiwan Water Corporation publishes outages; no boil notices as a feed 68 None: outage feed only, not covering Taipei 68 No resident page verified; monthly tap sampling as open data, free key required 69
Thailand Unconfirmed Not found in official sources Bangkok, Nonthaburi and Samut Prakan: MWA monthly reports by service zone 70

Middle East and Africa

Country Who issues notices National list or register? Where residents see their water results
Israel Unconfirmed Not found in official sources Not found in official sources
Kuwait Unconfirmed Not found in official sources Not found; the MEW site has no quality results page 71
Qatar Unconfirmed Not found in official sources Not found in official sources
South Africa Municipalities, e.g. Johannesburg Water 72 None: no national register 72 Not found in official sources
United Arab Emirates Unconfirmed Not found in official sources Not found; Abu Dhabi's regulations set standards, with no results published 73

Which countries keep a national list?

Ireland is the only clear case. Uisce Éireann runs the public supply nationally and lists boil-water notices on one page, with a search by Eircode and a map of each affected area; it offers no data feed 1. Sweden comes close in a different way: Krisinformation.se, run by the civil defence agency, republishes the notices it judges important, such as a boiling recommendation for the town of Hallstahammar, but not every local notice 2.

Which countries have state or provincial lists?

Three federal countries have lists that stop at a state or provincial border:

  • Australia: NSW Health keeps a table with the supplier, locality, date issued, date lifted and status of each notice, for New South Wales only 3.
  • Canada: Quebec lists boil-water and do-not-consume notices by administrative region, but only those issued for E. coli 4; Manitoba publishes its advisories as PDFs with maps 49; Indigenous Services Canada lists short-term advisories for First Nations communities south of the 60th parallel 50.
  • United States: the Florida Department of Health keeps a boil-water notice page, compiled from several sources including the press 5; in Mississippi, the active-notices page was last reviewed on 28 June 2024 58. Nationally, EPA's SDWIS records violations for each water system, which is not a list of current notices 74.

Where are notices announced only locally?

Eleven countries have an official source on notices but no national list; in most, notices come from the local utility, municipality or health office:

  • By water company or distributor: the Netherlands, often by postcode 30; the United Kingdom, on each company's incident page 44; Belgium, through distributors such as SWDE and the municipalities 7.
  • By municipality or council: Norway, e.g. Bergen 32; New Zealand, e.g. Watercare in Auckland 63; South Africa, e.g. Johannesburg Water 72.
  • By health authorities: Poland's district sanitary stations, about 318 sites with no national feed 34; Iceland, where MAST gives general guidance while local bodies issue the notices 21.
  • With a partial national channel: Germany, where the NINA warning system can carry a notice by district, though not systematically 17; France, where national sampling data can show non-compliant water one to two months late, which is not a register 14.
  • Unconfirmed: Luxembourg, where the water agency's news feed showed no boil notice 27.

Three more publish supply outages rather than boil notices: Taiwan, through an open feed that excludes Taipei 68; Peru, through SEDAPAL in Lima 56; and Malaysia, through each state operator 62. In Costa Rica, AyA has an interruptions page, but it showed no readable content 53.

Where was no official source found?

For the other 42 countries, no official source on boil-water or do-not-drink notices could be opened and confirmed: Argentina, Austria, Brazil, Bulgaria, Chile, Colombia, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Georgia, Greece, Hungary, India, Indonesia, Israel, Italy, Japan, Kazakhstan, Kuwait, Latvia, Lithuania, Malta, Mexico, Moldova, the Philippines, Portugal, Qatar, Romania, Serbia, Singapore, Slovakia, Slovenia, South Korea, Spain, Switzerland, Thailand, Turkey, Ukraine and the United Arab Emirates. This does not mean notices are never issued there. It means the table cannot name the issuer or a list from an official page. In these countries, the local water utility and municipality are the places to check.

Where can residents read their own water results?

Thirteen countries have an official or sector page where a resident can look up results for their own area: Austria 6, Switzerland 42 and the Netherlands 30 by postcode; Ireland by Eircode 23; Belgium by municipality or postcode 897; Portugal by municipality 36; Spain by supply zone 39; Estonia 13, Denmark 12 and Japan 61 by water system; India by village 60; the United Kingdom through each company 45; and the United States through each system's yearly report 59. Two of these, in Austria and Switzerland, depend on suppliers choosing to publish 642.

Elsewhere, residents mostly find national summaries, as in Germany 18, Slovenia 38 and Poland 35, or data built for developers, as in France 14, South Korea 67 and Colombia 52. For what to do once a notice is issued, see what to do during a boil-water notice, what a do-not-drink notice means and how to make water safe to drink. To read your own supplier's results, see how to check if your tap water is safe. The water section gathers the related pages.

Frequently asked questions

Is there one website listing every boil-water notice in a country?

Only in Ireland among the 62 countries, where Uisce Éireann lists notices nationally with a search by Eircode 1. Sweden's Krisinformation.se carries the important ones 2. Elsewhere, lists exist at best for a state or province, such as New South Wales 3 or Florida 5.

Do emergency alert apps send boil-water notices?

Sometimes. In Germany, local health offices can send a notice through the NINA warning system, but this is not systematic 17. In the Netherlands, NL-Alert is used for serious cases 30, and in Belgium BE-Alert can be used locally 7. The utility's own page remains the primary channel in most countries.

Can I check my tap-water quality by postcode?

In several countries, yes: Austria 6, Switzerland 42, the Netherlands through each drinking-water company 30, Ireland by Eircode 23 and Belgium through De Watergroep 9. In the United Kingdom, each water company publishes quality by postcode; the DWI map shows which company serves you 45.

How do I find out about a notice in the United States?

There is no federal real-time register. Florida 5 and Mississippi 58 keep state lists; otherwise, the notice comes from the water system serving you. That system's yearly Consumer Confidence Report gives its test results 59; how to check if your tap water is safe explains how to read it.

Preparing at home

Phaenyx's preparedness plan helps a household list what it would need during a water notice, using the official sources of its own country.

Sources

  1. Uisce Éireann — Boil water notices — https://www.water.ie/water-supply/boil-water-notices (accessed 2026-10-27)
  2. Myndigheten för civilt försvar — Öppna data (Krisinformation.se API) — https://www.krisinformation.se/om-krisinformation.se/oppen-data/ (accessed 2026-10-27)
  3. NSW Health — Drinking water quality and incidents — https://www.health.nsw.gov.au/environment/water/Pages/drinking-water-quality-and-incidents.aspx (accessed 2026-10-27)
  4. Gouvernement du Québec (MELCCFP) — Liste des avis d'ébullition et de non-consommation — https://www.quebec.ca/agriculture-environnement-et-ressources-naturelles/eau/potable-usees-pluviales/eau-potable/qualite-eau-potable/avis-ebullition-avis-non-consommation/liste-avis-ebullition-non-consommation (accessed 2026-10-27)
  5. Florida Department of Health — Boil Water Notices — https://www.floridahealth.gov/community-environmental-public-health/emergency-preparedness-response/boil-water-notices/ (accessed 2026-10-27)
  6. trinkwasserinfo.at (water suppliers' platform) — Trinkwasserinfo — https://www.trinkwasserinfo.at/ (accessed 2026-10-27)
  7. SWDE — Qualité de l'eau — https://www.swde.be/fr/qualite-de-leau (accessed 2026-10-27)
  8. Vlaamse Milieumaatschappij (VMM) — Drinkwater — https://www.vmm.be/water/drinkwater (accessed 2026-10-27)
  9. De Watergroep — De Watergroep — https://www.dewatergroep.be/ (accessed 2026-10-27)
  10. Hrvatski zavod za javno zdravstvo (HZJZ) — Služba za zdravstvenu ekologiju — https://www.hzjz.hr/sluzba-zdravstvena-ekologija/ (accessed 2026-10-27)
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  20. Nemzeti Népegészségügyi és Gyógyszerészeti Központ (NNGYK) — Ivóvízminőség — https://nngyk.gov.hu/hu/temaink/ivoviz/ivovizminoseg.html (accessed 2026-10-27)
  21. Matvælastofnun (MAST) — Þegar sjóða þarf neysluvatn — https://www.mast.is/is/neytendur/matvaelaoryggi/orverur-og-sjukdomsvaldar/thegar-sjoda-tharf-neysluvatn (accessed 2026-10-27)
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  24. Environmental Protection Agency (EPA) — Drinking water — https://www.epa.ie/environment-and-you/drinking-water/ (accessed 2026-10-27)
  25. Ministero della Salute — Acque potabili — https://www.salute.gov.it/portale/temi/p2_6.jsp?area=acque_potabili (accessed 2026-10-27)
  26. Veselības inspekcija — Dzeramais ūdens — https://www.vi.gov.lv/lv/dzeramais-udens (accessed 2026-10-27)
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  28. Administration de la gestion de l'eau (AGE) — Eau potable — https://eau.gouvernement.lu/fr/domaines-activite/eau-potable.html (accessed 2026-10-27)
  29. Regulator for Energy and Water Services (REWS) — Water — https://www.rews.org.mt/services-taxonomies/water/ (accessed 2026-10-27)
  30. Vitens — Waterkwaliteit — https://www.vitens.nl/over-water/waterkwaliteit (accessed 2026-10-27)
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  32. Bergen kommune — Kokeråd — https://www.bergen.kommune.no/hvaskjer/tema/meldinger-fra-vaktsentralen/kokerad (accessed 2026-10-27)
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  36. ERSAR — Qualidade da água – pesquisa por concelho — https://www.ersar.pt/pt_consumidor_qualidade-da-agua_pesquisa-por-concelho.html (accessed 2026-10-27)
  37. Institut za javno zdravlje Srbije „Dr Milan Jovanović Batut" — Higijena vode za piće — https://www.batut.org.rs/index.php?category_id=20 (accessed 2026-10-27)
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  57. Dirección General de Salud Ambiental (DIGESA), Ministerio de Salud — DIGESA — https://www.digesa.minsa.gob.pe/ (accessed 2026-10-27)
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  68. 台灣自來水公司 (Taiwan Water Corporation) — 停水資訊 (water outages) — https://data.gov.tw/en/datasets/6050 (accessed 2026-10-27)
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  71. MEW Kuwait — Ministry of Electricity, Water and Renewable Energy — https://www.mew.gov.kw/ (accessed 2026-10-27)
  72. Johannesburg Water (City of Johannesburg) — Johannesburg Water — https://www.johannesburgwater.co.za/ (accessed 2026-10-27)
  73. Department of Energy – Abu Dhabi — Water Quality Regulations 2021 (5th edition) — https://doe.gov.ae/-/media/Project/DOE/Department-Of-Energy/Media-Center-Publications/Regulations/English/Water-Quality-Regulations-2021-Edition-5.pdf (accessed 2026-10-27)
  74. US EPA — SDWIS Federal Reporting Services — https://sdwis.epa.gov/ords/sfdw_pub/r/sfdw/sdwis_fed_reports_public/200 (accessed 2026-10-27)

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Sources

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  5. Florida Department of Health · Boil Water Notices checked 2026-10-27
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  7. SWDE · Qualité de l'eau checked 2026-10-27
  8. Vlaamse Milieumaatschappij (VMM) · Drinkwater checked 2026-10-27
  9. De Watergroep · De Watergroep checked 2026-10-27
  10. Hrvatski zavod za javno zdravstvo (HZJZ) · Služba za zdravstvenu ekologiju checked 2026-10-27
  11. Státní zdravotní ústav (SZÚ) · Pitná voda checked 2026-10-27
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  21. Matvælastofnun (MAST) · Þegar sjóða þarf neysluvatn checked 2026-10-27
  22. Matvælastofnun (MAST) · Neysluvatn checked 2026-10-27
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  30. Vitens · Waterkwaliteit checked 2026-10-27
  31. Inspectie Leefomgeving en Transport (ILT) · Drinkwater checked 2026-10-27
  32. Bergen kommune · Kokeråd checked 2026-10-27
  33. Folkehelseinstituttet (FHI) · Drikkevann checked 2026-10-27
  34. Główny Inspektorat Sanitarny (GIS) · Woda użytkowa i kranówka checked 2026-10-27
  35. Główny Inspektorat Sanitarny (GIS) · Badania i ocena wody checked 2026-10-27
  36. ERSAR · Qualidade da água – pesquisa por concelho checked 2026-10-27
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  38. Nacionalni inštitut za javno zdravje (NIJZ) · Pitna voda checked 2026-10-27
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  45. Drinking Water Inspectorate · Find your local water company checked 2026-10-27
  46. Drinking Water Inspectorate · Chief Inspector's annual report checked 2026-10-27
  47. Ente Regulador de Agua y Saneamiento (ERAS) · Normas de calidad checked 2026-10-27
  48. Ministério da Saúde · SISAGUA – Controle semestral checked 2026-10-27
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  50. Indigenous Services Canada · Short-term drinking water advisories checked 2026-10-27
  51. Ontario Ministry of the Environment, Conservation and Parks · Drinking Water Quality and Enforcement checked 2026-10-27
  52. Instituto Nacional de Salud (SIVICAP) · Calidad del Agua para Consumo Humano en Colombia (IRCA) checked 2026-10-27
  53. Instituto Costarricense de Acueductos y Alcantarillados (AyA) · Interrupciones checked 2026-10-27
  54. Instituto Costarricense de Acueductos y Alcantarillados (AyA) · AyA checked 2026-10-27
  55. CONAGUA · Resultados de la Red Nacional de Medición de Calidad del Agua (RENAMECA) checked 2026-10-27
  56. SEDAPAL · Interrupciones de Servicio checked 2026-10-27
  57. Dirección General de Salud Ambiental (DIGESA), Ministerio de Salud · DIGESA checked 2026-10-27
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  59. US EPA / each water system · Consumer Confidence Reports (CCR) checked 2026-10-27
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  61. 日本水道協会 (Japan Water Works Association) · 水道水質データベース (tap-water quality database) checked 2026-10-27
  62. Pengurusan Air Selangor Sdn Bhd · Air Selangor checked 2026-10-27
  63. Watercare Services · Latest news and media checked 2026-10-27
  64. Taumata Arowai · Public registers checked 2026-10-27
  65. PUB, Singapore's National Water Agency · SG Drinking Water Quality checked 2026-10-27
  66. PUB via data.gov.sg · Drinking water quality checked 2026-10-27
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  68. 台灣自來水公司 (Taiwan Water Corporation) · 停水資訊 (water outages) checked 2026-10-27
  69. 環境部 (Ministry of Environment) · 每月自來水水質抽驗資料 (monthly tap-water sampling) checked 2026-10-27
  70. การประปานครหลวง (Metropolitan Waterworks Authority) · รายงานผลคุณภาพน้ำ (monthly water quality report) checked 2026-10-27
  71. MEW Kuwait · Ministry of Electricity, Water and Renewable Energy checked 2026-10-27
  72. Johannesburg Water (City of Johannesburg) · Johannesburg Water checked 2026-10-27
  73. Department of Energy – Abu Dhabi · Water Quality Regulations 2021 (5th edition) checked 2026-10-27
  74. US EPA · SDWIS Federal Reporting Services checked 2026-10-27

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