Community Water System · PWSID AK2271033

Atmautluak Water System

Serves 311 peopleGroundwaterOwner: Native AmericanAtmautluak, Alaska
1 open treatment violation.

Open for: Revised Total Coliform Rule. EPA counts treatment-technique violations as health-based: a required protective step was not done. It is not a measurement of contamination.

On record since 2003: 209 violations. 10 treatment lapses · 188 missed or late tests · 11 notices or reports. Most recent began 2025-09-16.

None of them is a measurement of contaminated water.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

0Over the limit
10Treatment lapse1 open
188Missed or late test
11Notice or report

More violations on record than 95% of active water systems in Alaska. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

2003 · Notice or report: 12004 · Missed or late test: 12004 · Notice or report: 12005 · Missed or late test: 12005 · Notice or report: 120052006 · Missed or late test: 12007 · Missed or late test: 22008 · Missed or late test: 32009 · Missed or late test: 220102013 · Missed or late test: 22013 · Notice or report: 12014 · Missed or late test: 22014 · Notice or report: 22015 · Missed or late test: 120152016 · Missed or late test: 312016 · Missed or late test: 312016 · Missed or late test: 312016 · Missed or late test: 312016 · Missed or late test: 312016 · Missed or late test: 312016 · Missed or late test: 312016 · Missed or late test: 312017 · Missed or late test: 22018 · Treatment lapse: 42018 · Missed or late test: 22020 · Missed or late test: 32020 · Notice or report: 220202021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Missed or late test: 332021 · Notice or report: 12022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362022 · Missed or late test: 362023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Missed or late test: 402023 · Notice or report: 22024 · Treatment lapse: 52024 · Treatment lapse: 52024 · Missed or late test: 152024 · Missed or late test: 152024 · Missed or late test: 152024 · Missed or late test: 152025 · Treatment lapse: 12025 · Missed or late test: 112025 · Missed or late test: 112025 · Missed or late test: 112025
One square ≈ 4 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
5% treatment lapse · 1090% missed or late test · 1885% notice or report · 11

Across Alaska, 88% of violations are missed or late tests and 2% are water over a limit.

What you can do

  • Total Coliform Bacteria: If your water system has coliform violations, consider boiling water or using bottled water until the system confirms the issue is resolved. Contact your water provider for their latest test results and any boil-water advisories.

Lead & copper at the tap

Utilities sample taps in homes most likely to have lead pipes, and report the 90th-percentile result: 9 in 10 homes sampled came in at or below this number. Above the red line (the action level) the utility must act. The action level is not a safe level; EPA's health goal for lead is zero. EPA's file does not date these results, so they are shown highest first.

Lead, 90th percentile 5 results on file · action level 15 ppb

7.8 ppb
7.6 ppb
4.7 ppb
3 ppb
2.2 ppb

Copper, 90th percentile 2 results on file · action level 1.3 mg/L

2.5 mg/L
1.8 mg/L

Open now (1)

  1. 2025-09-16Revised Total Coliform RuleTTOpen

Every violation on record

  1. 2025-09-16Revised Total Coliform RuleTTOpen
  2. 2025-08-01Revised Total Coliform RuleMONBack in compliance
  3. 2025-05-15Lead and Copper RuleLead Consumer NoticeBack in compliance
  4. 2025-05-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  5. 2025-05-01Lead and Copper RuleLead Consumer NoticeBack in compliance
  6. 2025-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  7. 2025-04-01Revised Total Coliform RuleMONBack in compliance
  8. 2025-03-18Lead and Copper RuleLead Consumer NoticeBack in compliance
  9. 2025-02-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  10. 2025-02-01Revised Total Coliform RuleMONBack in compliance
  11. 2025-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  12. 2025-01-01Revised Total Coliform RuleMONBack in compliance
  13. 2024-12-01ChlorineMonitoring and Reporting (DBP)Period ended · no return to compliance on file
  14. 2024-12-01Revised Total Coliform RuleMONPeriod ended · no return to compliance on file
  15. 2024-11-01ChlorineMonitoring and Reporting (DBP)Period ended · no return to compliance on file
  16. 2024-11-01Revised Total Coliform RuleMONPeriod ended · no return to compliance on file
  17. 2024-09-29Lead and Copper RuleLead Consumer NoticeBack in compliance
  18. 2024-09-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  19. 2024-08-30Lead and Copper RuleLead Consumer NoticeBack in compliance
  20. 2024-05-01Revised Total Coliform RuleMONBack in compliance
  21. 2024-05-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  22. 2024-03-01Revised Total Coliform RuleMONBack in compliance
  23. 2024-02-01Revised Total Coliform RuleMONBack in compliance
  24. 2024-01-25Groundwater Rule ×5Failure To Address DeficiencyBack in compliance
  25. 2024-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
Show the other 177 entries
  1. 2024-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  2. 2024-01-01ChlorineMonitoring and Reporting (DBP)Period ended · no return to compliance on file
  3. 2024-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  4. 2023-12-01Revised Total Coliform RuleMONBack in compliance
  5. 2023-11-01Revised Total Coliform RuleMONBack in compliance
  6. 2023-10-27Groundwater RuleFailure to Consult with StateBack in compliance
  7. 2023-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  8. 2023-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  9. 2023-09-01Revised Total Coliform RuleMONBack in compliance
  10. 2023-08-01Revised Total Coliform RuleMONBack in compliance
  11. 2023-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  12. 2023-07-01ChlorineMonitoring and Reporting (DBP)Period ended · no return to compliance on file
  13. 2023-06-01Revised Total Coliform RuleMONBack in compliance
  14. 2023-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  15. 2023-04-01ChlorineMonitoring and Reporting (DBP)Period ended · no return to compliance on file
  16. 2023-03-01Revised Total Coliform RuleMONBack in compliance
  17. 2023-02-01Revised Total Coliform RuleMONBack in compliance
  18. 2023-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  19. 2023-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  20. 2023-01-01NitrateMonitoring, RegularBack in compliance
  21. 2023-01-01StyreneMonitoring, RegularBack in compliance
  22. 2023-01-01EthylbenzeneMonitoring, RegularBack in compliance
  23. 2023-01-01TolueneMonitoring, RegularBack in compliance
  24. 2023-01-01BenzeneMonitoring, RegularBack in compliance
  25. 2023-01-01ChlorobenzeneMonitoring, RegularBack in compliance
  26. 2023-01-01TetrachloroethyleneMonitoring, RegularBack in compliance
  27. 2023-01-011,1,2-TrichloroethaneMonitoring, RegularBack in compliance
  28. 2023-01-01TrichloroethyleneMonitoring, RegularBack in compliance
  29. 2023-01-011,2-DichloropropaneMonitoring, RegularBack in compliance
  30. 2023-01-01Carbon tetrachlorideMonitoring, RegularBack in compliance
  31. 2023-01-011,1,1-TrichloroethaneMonitoring, RegularBack in compliance
  32. 2023-01-011,2-DichloroethaneMonitoring, RegularBack in compliance
  33. 2023-01-01trans-1,2-DichloroethyleneMonitoring, RegularBack in compliance
  34. 2023-01-011,1-DichloroethyleneMonitoring, RegularBack in compliance
  35. 2023-01-01Vinyl chlorideMonitoring, RegularBack in compliance
  36. 2023-01-01p-DichlorobenzeneMonitoring, RegularBack in compliance
  37. 2023-01-01o-DichlorobenzeneMonitoring, RegularBack in compliance
  38. 2023-01-01DichloromethaneMonitoring, RegularBack in compliance
  39. 2023-01-01Xylenes, TotalMonitoring, RegularBack in compliance
  40. 2023-01-01cis-1,2-DichloroethyleneMonitoring, RegularBack in compliance
  41. 2023-01-011,2,4-TrichlorobenzeneMonitoring, RegularBack in compliance
  42. 2023-01-01Chlorine ×2Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  43. 2023-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  44. 2023-01-01Revised Total Coliform RuleMONBack in compliance
  45. 2022-12-01Revised Total Coliform RuleMONBack in compliance
  46. 2022-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  47. 2022-10-01Revised Total Coliform RuleMONBack in compliance
  48. 2022-09-01Revised Total Coliform RuleMONBack in compliance
  49. 2022-08-01Revised Total Coliform RuleMONBack in compliance
  50. 2022-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  51. 2022-07-01Revised Total Coliform RuleMONBack in compliance
  52. 2022-06-01Revised Total Coliform RuleMONBack in compliance
  53. 2022-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  54. 2022-04-01Revised Total Coliform RuleMONBack in compliance
  55. 2022-03-01Revised Total Coliform RuleMONBack in compliance
  56. 2022-02-01Revised Total Coliform RuleMONBack in compliance
  57. 2022-01-01StyreneMonitoring, RegularPeriod ended · no return to compliance on file
  58. 2022-01-01EthylbenzeneMonitoring, RegularPeriod ended · no return to compliance on file
  59. 2022-01-01TolueneMonitoring, RegularPeriod ended · no return to compliance on file
  60. 2022-01-01BenzeneMonitoring, RegularPeriod ended · no return to compliance on file
  61. 2022-01-01ChlorobenzeneMonitoring, RegularPeriod ended · no return to compliance on file
  62. 2022-01-01TetrachloroethyleneMonitoring, RegularPeriod ended · no return to compliance on file
  63. 2022-01-011,1,2-TrichloroethaneMonitoring, RegularPeriod ended · no return to compliance on file
  64. 2022-01-01TrichloroethyleneMonitoring, RegularPeriod ended · no return to compliance on file
  65. 2022-01-011,2-DichloropropaneMonitoring, RegularPeriod ended · no return to compliance on file
  66. 2022-01-01Carbon tetrachlorideMonitoring, RegularPeriod ended · no return to compliance on file
  67. 2022-01-011,1,1-TrichloroethaneMonitoring, RegularPeriod ended · no return to compliance on file
  68. 2022-01-011,2-DichloroethaneMonitoring, RegularPeriod ended · no return to compliance on file
  69. 2022-01-01trans-1,2-DichloroethyleneMonitoring, RegularPeriod ended · no return to compliance on file
  70. 2022-01-011,1-DichloroethyleneMonitoring, RegularPeriod ended · no return to compliance on file
  71. 2022-01-01Vinyl chlorideMonitoring, RegularPeriod ended · no return to compliance on file
  72. 2022-01-01p-DichlorobenzeneMonitoring, RegularPeriod ended · no return to compliance on file
  73. 2022-01-01o-DichlorobenzeneMonitoring, RegularPeriod ended · no return to compliance on file
  74. 2022-01-01DichloromethaneMonitoring, RegularPeriod ended · no return to compliance on file
  75. 2022-01-01Xylenes, TotalMonitoring, RegularPeriod ended · no return to compliance on file
  76. 2022-01-01cis-1,2-DichloroethyleneMonitoring, RegularPeriod ended · no return to compliance on file
  77. 2022-01-011,2,4-TrichlorobenzeneMonitoring, RegularPeriod ended · no return to compliance on file
  78. 2022-01-01NitrateMonitoring, RegularPeriod ended · no return to compliance on file
  79. 2022-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  80. 2022-01-01Revised Total Coliform RuleMONBack in compliance
  81. 2021-12-01Revised Total Coliform RuleMONBack in compliance
  82. 2021-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  83. 2021-10-01Revised Total Coliform RuleMONBack in compliance
  84. 2021-09-01Revised Total Coliform RuleMONPeriod ended · no return to compliance on file
  85. 2021-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  86. 2021-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  87. 2021-07-01Revised Total Coliform RuleMONBack in compliance
  88. 2021-06-01Revised Total Coliform RuleMONBack in compliance
  89. 2021-05-01Revised Total Coliform RuleMONBack in compliance
  90. 2021-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  91. 2021-04-01Revised Total Coliform RuleMONBack in compliance
  92. 2021-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  93. 2021-01-01StyreneMonitoring, RegularBack in compliance
  94. 2021-01-01EthylbenzeneMonitoring, RegularBack in compliance
  95. 2021-01-01TolueneMonitoring, RegularBack in compliance
  96. 2021-01-01BenzeneMonitoring, RegularBack in compliance
  97. 2021-01-01ChlorobenzeneMonitoring, RegularBack in compliance
  98. 2021-01-01TetrachloroethyleneMonitoring, RegularBack in compliance
  99. 2021-01-011,1,2-TrichloroethaneMonitoring, RegularBack in compliance
  100. 2021-01-01TrichloroethyleneMonitoring, RegularBack in compliance
  101. 2021-01-011,2-DichloropropaneMonitoring, RegularBack in compliance
  102. 2021-01-01Carbon tetrachlorideMonitoring, RegularBack in compliance
  103. 2021-01-011,1,1-TrichloroethaneMonitoring, RegularBack in compliance
  104. 2021-01-011,2-DichloroethaneMonitoring, RegularBack in compliance
  105. 2021-01-01trans-1,2-DichloroethyleneMonitoring, RegularBack in compliance
  106. 2021-01-011,1-DichloroethyleneMonitoring, RegularBack in compliance
  107. 2021-01-01Vinyl chlorideMonitoring, RegularBack in compliance
  108. 2021-01-01p-DichlorobenzeneMonitoring, RegularBack in compliance
  109. 2021-01-01o-DichlorobenzeneMonitoring, RegularBack in compliance
  110. 2021-01-01DichloromethaneMonitoring, RegularBack in compliance
  111. 2021-01-01Xylenes, TotalMonitoring, RegularBack in compliance
  112. 2021-01-01cis-1,2-DichloroethyleneMonitoring, RegularBack in compliance
  113. 2021-01-011,2,4-TrichlorobenzeneMonitoring, RegularBack in compliance
  114. 2021-01-01Revised Total Coliform RuleMONBack in compliance
  115. 2020-11-01Revised Total Coliform RuleMONBack in compliance
  116. 2020-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  117. 2020-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  118. 2020-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  119. 2020-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  120. 2018-12-14Groundwater Rule ×3Failure To Address DeficiencyBack in compliance
  121. 2018-12-06Groundwater RuleFailure To Address DeficiencyBack in compliance
  122. 2018-09-01Revised Total Coliform RuleMONBack in compliance
  123. 2018-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  124. 2017-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  125. 2017-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  126. 2016-09-20E. ColiMonitoring, Source Water (GWR)Back in compliance
  127. 2016-01-01ChlordaneMonitoring, RegularBack in compliance
  128. 2016-01-01Ethylene DibromideMonitoring, RegularBack in compliance
  129. 2016-01-011, 2-Dibromo-3-ChloropropaneMonitoring, RegularBack in compliance
  130. 2016-01-01Total Polychlorinated Biphenyls (PCB)Monitoring, RegularBack in compliance
  131. 2016-01-01PentachlorophenolMonitoring, RegularBack in compliance
  132. 2016-01-01Benzo(a)pyreneMonitoring, RegularBack in compliance
  133. 2016-01-01HexachlorobenzeneMonitoring, RegularBack in compliance
  134. 2016-01-012, 4, 5-TpMonitoring, RegularBack in compliance
  135. 2016-01-012, 4-DMonitoring, RegularBack in compliance
  136. 2016-01-01Heptachlor epoxideMonitoring, RegularBack in compliance
  137. 2016-01-01HeptachlorMonitoring, RegularBack in compliance
  138. 2016-01-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  139. 2016-01-01LassoMonitoring, RegularBack in compliance
  140. 2016-01-01AtrazineMonitoring, RegularBack in compliance
  141. 2016-01-01CarbofuranMonitoring, RegularBack in compliance
  142. 2016-01-01HexachlorocyclopentadieneMonitoring, RegularBack in compliance
  143. 2016-01-01DinosebMonitoring, RegularBack in compliance
  144. 2016-01-01PicloramMonitoring, RegularBack in compliance
  145. 2016-01-01Di(2-ethylhexyl) phthalateMonitoring, RegularBack in compliance
  146. 2016-01-01SimazineMonitoring, RegularBack in compliance
  147. 2016-01-01OxamylMonitoring, RegularBack in compliance
  148. 2016-01-01Di(2-ethylhexyl) adipateMonitoring, RegularBack in compliance
  149. 2016-01-01GlyphosateMonitoring, RegularBack in compliance
  150. 2016-01-01EndothallMonitoring, RegularBack in compliance
  151. 2016-01-01DiquatMonitoring, RegularBack in compliance
  152. 2016-01-01DalaponMonitoring, RegularBack in compliance
  153. 2016-01-01ToxapheneMonitoring, RegularBack in compliance
  154. 2016-01-01MethoxychlorMonitoring, RegularBack in compliance
  155. 2016-01-01Bhc-GammaMonitoring, RegularBack in compliance
  156. 2016-01-01EndrinMonitoring, RegularBack in compliance
  157. 2015-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  158. 2014-10-02Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  159. 2014-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  160. 2014-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  161. 2014-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
  162. 2013-02-28Unknown contaminantSanitary Survey (TCR)Back in compliance
  163. 2013-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  164. 2013-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
  165. 2009-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  166. 2009-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  167. 2008-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  168. 2008-01-01ArsenicMonitoring, RegularBack in compliance
  169. 2008-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  170. 2007-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  171. 2007-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  172. 2006-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  173. 2005-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  174. 2005-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  175. 2004-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  176. 2004-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  177. 2003-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance

System details

Population served311
Service connections3
Water sourceGroundwater
System typeCommunity Water System
OwnerNative American
StatusActive
CityAtmautluak
EPA ZIP on file99559

Areas served

  • Atmautluak, Bethel Census Area

Reading this record

Atmautluak Water System is a community water system that draws from groundwater and serves about 311 people in Atmautluak, Alaska. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.