Community Water System · PWSID OK3005303

Nowata Co Rwd #2

Serves 205 peopleSurface Water PurchasedOwner: Local GovernmentNowata, Oklahoma
Nothing open that measures the water, but 38 open testing or paperwork violations.

A missed test is not evidence of bad water. It also is not evidence of good water: for that period nobody checked.

On record since 1979: 91 violations. 34 over the limit · 41 missed or late tests · 16 notices or reports. Most recent began 2025-07-01.

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

34Over the limit
0Treatment lapse
41Missed or late test29 open
16Notice or report9 open

More violations on record than 83% of active water systems in Oklahoma. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

1979 · Missed or late test: 119801981 · Missed or late test: 11983 · Missed or late test: 11984 · Missed or late test: 11985 · Missed or late test: 119851986 · Over the limit: 119901992 · Over the limit: 21992 · Missed or late test: 31992 · Missed or late test: 31994 · Missed or late test: 11995200020052010 · Notice or report: 120102011 · Notice or report: 12012 · Notice or report: 12013 · Notice or report: 12014 · Notice or report: 12015 · Over the limit: 220152017 · Notice or report: 12018 · Over the limit: 62018 · Over the limit: 62018 · Over the limit: 62018 · Missed or late test: 32018 · Missed or late test: 32019 · Over the limit: 72019 · Over the limit: 72019 · Over the limit: 72019 · Over the limit: 72019 · Missed or late test: 32019 · Missed or late test: 32020 · Over the limit: 52020 · Over the limit: 52020 · Over the limit: 52020 · Missed or late test: 62020 · Missed or late test: 62020 · Missed or late test: 620202021 · Over the limit: 12021 · Missed or late test: 32021 · Missed or late test: 32022 · Over the limit: 12022 · Missed or late test: 32022 · Missed or late test: 32023 · Over the limit: 42023 · Over the limit: 42023 · Missed or late test: 62023 · Missed or late test: 62023 · Missed or late test: 62023 · Notice or report: 22024 · Over the limit: 42024 · Over the limit: 42024 · Missed or late test: 52024 · Missed or late test: 52024 · Missed or late test: 52024 · Notice or report: 52024 · Notice or report: 52024 · Notice or report: 52025 · Over the limit: 12025 · Missed or late test: 32025 · Missed or late test: 32025 · Notice or report: 32025 · Notice or report: 32025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
37% over the limit · 3445% missed or late test · 4118% notice or report · 16

Across Oklahoma, 73% of violations are missed or late tests and 19% are water over a limit.

How far over the limit

at the limit2×5×10×100×+Trihalomethanes (TTHM)Total Haloacetic Acids (HAA5)2025-01-01 · Trihalomethanes (TTHM): measured 0.0870 MG/L vs limit 0.0800 MG/L (1.1×)2024-10-01 · Trihalomethanes (TTHM): measured 0.0890 MG/L vs limit 0.0800 MG/L (1.1×)2024-07-01 · Trihalomethanes (TTHM): measured 0.0810 MG/L vs limit 0.0800 MG/L (1.0×)2024-04-01 · Trihalomethanes (TTHM): measured 0.0910 MG/L vs limit 0.0800 MG/L (1.1×)2024-01-01 · Trihalomethanes (TTHM): measured 0.1050 MG/L vs limit 0.0800 MG/L (1.3×)2023-10-01 · Trihalomethanes (TTHM): measured 0.1100 MG/L vs limit 0.0800 MG/L (1.4×)2023-07-01 · Trihalomethanes (TTHM): measured 0.1150 MG/L vs limit 0.0800 MG/L (1.4×)2023-04-01 · Trihalomethanes (TTHM): measured 0.1040 MG/L vs limit 0.0800 MG/L (1.3×)2023-01-01 · Trihalomethanes (TTHM): measured 0.0970 MG/L vs limit 0.0800 MG/L (1.2×)2022-10-01 · Trihalomethanes (TTHM): measured 0.0920 MG/L vs limit 0.0800 MG/L (1.1×)2021-01-01 · Trihalomethanes (TTHM): measured 0.0810 MG/L vs limit 0.0800 MG/L (1.0×)2020-10-01 · Trihalomethanes (TTHM): measured 0.0960 MG/L vs limit 0.0800 MG/L (1.2×)2020-07-01 · Trihalomethanes (TTHM): measured 0.1000 MG/L vs limit 0.0800 MG/L (1.2×)2020-04-01 · Trihalomethanes (TTHM): measured 0.1090 MG/L vs limit 0.0800 MG/L (1.4×)2020-01-01 · Trihalomethanes (TTHM): measured 0.1120 MG/L vs limit 0.0800 MG/L (1.4×)2020-01-01 · Total Haloacetic Acids (HAA5): measured 0.0690 MG/L vs limit 0.0600 MG/L (1.2×)2019-10-01 · Total Haloacetic Acids (HAA5): measured 0.0690 MG/L vs limit 0.0600 MG/L (1.2×)2019-10-01 · Trihalomethanes (TTHM): measured 0.1120 MG/L vs limit 0.0800 MG/L (1.4×)2019-07-01 · Trihalomethanes (TTHM): measured 0.1060 MG/L vs limit 0.0800 MG/L (1.3×)2019-07-01 · Total Haloacetic Acids (HAA5): measured 0.0660 MG/L vs limit 0.0600 MG/L (1.1×)2019-04-01 · Trihalomethanes (TTHM): measured 0.0930 MG/L vs limit 0.0800 MG/L (1.2×)2019-01-01 · Trihalomethanes (TTHM): measured 0.1060 MG/L vs limit 0.0800 MG/L (1.3×)2019-01-01 · Total Haloacetic Acids (HAA5): measured 0.0620 MG/L vs limit 0.0600 MG/L (1.0×)2018-10-01 · Trihalomethanes (TTHM): measured 0.0960 MG/L vs limit 0.0800 MG/L (1.2×)2018-10-01 · Total Haloacetic Acids (HAA5): measured 0.0610 MG/L vs limit 0.0600 MG/L (1.0×)2018-07-01 · Trihalomethanes (TTHM): measured 0.1010 MG/L vs limit 0.0800 MG/L (1.3×)2018-07-01 · Total Haloacetic Acids (HAA5): measured 0.0640 MG/L vs limit 0.0600 MG/L (1.1×)2018-04-01 · Total Haloacetic Acids (HAA5): measured 0.0650 MG/L vs limit 0.0600 MG/L (1.1×)2018-04-01 · Trihalomethanes (TTHM): measured 0.0880 MG/L vs limit 0.0800 MG/L (1.1×)2015-04-01 · Trihalomethanes (TTHM): measured 0.0850 MG/L vs limit 0.0800 MG/L (1.1×)2015-01-01 · Trihalomethanes (TTHM): measured 0.0870 MG/L vs limit 0.0800 MG/L (1.1×)
Each dot is one over-the-limit violation: the measured value divided by the limit it broke, on a log scale. Most legal limits for chemicals are running averages set for a lifetime of drinking, so “just over” and “ten times over” are very different news. Hover a dot for the numbers.

Open now (38)

  1. 2025-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  2. 2025-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  3. 2025-05-11Public NoticePN Violation for NPDWR ViolationOpen
  4. 2025-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  5. 2025-02-13Public NoticePN Violation for NPDWR ViolationOpen
  6. 2025-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  7. 2024-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  8. 2024-10-22Public NoticePN Violation for NPDWR ViolationOpen
  9. 2024-10-10Public NoticePN Violation for NPDWR ViolationOpen
  10. 2024-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  11. 2024-06-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  12. 2024-06-05Public NoticePN Violation for NPDWR ViolationOpen
  13. 2024-03-31Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  14. 2024-03-20Public NoticePN Violation for NPDWR ViolationOpen
  15. 2024-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  16. 2023-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  17. 2023-12-16Public NoticePN Violation for NPDWR ViolationOpen
  18. 2023-10-01Public NoticePN Violation for NPDWR ViolationOpen
  19. 2023-09-29Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  20. 2023-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  21. 2023-06-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  22. 2023-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  23. 2023-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  24. 2022-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  25. 2022-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  26. 2022-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  27. 2021-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  28. 2021-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  29. 2021-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  30. 2020-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  31. 2020-09-29Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  32. 2020-06-30Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptOpen
  33. 2020-06-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  34. 2020-03-31Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptOpen
  35. 2020-03-31Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  36. 2019-12-30Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptOpen
  37. 2019-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  38. 2018-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen

Every violation on record

  1. 2025-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  2. 2025-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  3. 2025-05-11Public NoticePN Violation for NPDWR ViolationOpen
  4. 2025-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  5. 2025-02-13Public NoticePN Violation for NPDWR ViolationOpen
  6. 2025-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  7. 2025-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0870 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  8. 2024-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  9. 2024-10-22Public NoticePN Violation for NPDWR ViolationOpen
  10. 2024-10-10Public NoticePN Violation for NPDWR ViolationOpen
  11. 2024-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0890 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  12. 2024-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  13. 2024-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0810 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  14. 2024-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  15. 2024-06-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  16. 2024-06-05Public NoticePN Violation for NPDWR ViolationOpen
  17. 2024-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0910 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  18. 2024-03-31Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  19. 2024-03-20Public NoticePN Violation for NPDWR ViolationOpen
  20. 2024-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  21. 2024-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1050 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  22. 2023-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  23. 2023-12-16Public NoticePN Violation for NPDWR ViolationOpen
  24. 2023-10-01Public NoticePN Violation for NPDWR ViolationOpen
  25. 2023-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1100 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
Show the other 66 entries
  1. 2023-09-29Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  2. 2023-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  3. 2023-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1150 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  4. 2023-06-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  5. 2023-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  6. 2023-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1040 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  7. 2023-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  8. 2023-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0970 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  9. 2022-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  10. 2022-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0920 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  11. 2022-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  12. 2022-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  13. 2021-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  14. 2021-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  15. 2021-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  16. 2021-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0810 MG/L · limit 0.0800 MG/LBack in compliance
  17. 2020-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  18. 2020-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0960 MG/L · limit 0.0800 MG/LBack in compliance
  19. 2020-09-29Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  20. 2020-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1000 MG/L · limit 0.0800 MG/LBack in compliance
  21. 2020-06-30Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptOpen
  22. 2020-06-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  23. 2020-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1090 MG/L · limit 0.0800 MG/LBack in compliance
  24. 2020-03-31Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptOpen
  25. 2020-03-31Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  26. 2020-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1120 MG/L · limit 0.0800 MG/LBack in compliance
  27. 2020-01-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0690 MG/L · limit 0.0600 MG/LBack in compliance
  28. 2019-12-30Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptOpen
  29. 2019-12-30Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  30. 2019-10-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0690 MG/L · limit 0.0600 MG/LBack in compliance
  31. 2019-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1120 MG/L · limit 0.0800 MG/LBack in compliance
  32. 2019-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1060 MG/L · limit 0.0800 MG/LBack in compliance
  33. 2019-07-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0660 MG/L · limit 0.0600 MG/LBack in compliance
  34. 2019-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0930 MG/L · limit 0.0800 MG/LBack in compliance
  35. 2019-04-01Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptBack in compliance
  36. 2019-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1060 MG/L · limit 0.0800 MG/LBack in compliance
  37. 2019-01-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0620 MG/L · limit 0.0600 MG/LBack in compliance
  38. 2018-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/ROpen
  39. 2018-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0960 MG/L · limit 0.0800 MG/LBack in compliance
  40. 2018-10-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0610 MG/L · limit 0.0600 MG/LBack in compliance
  41. 2018-09-29Total Haloacetic Acids (HAA5)Failure Submit IDSE/Subpart V Plan RptBack in compliance
  42. 2018-09-29Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptBack in compliance
  43. 2018-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1010 MG/L · limit 0.0800 MG/LBack in compliance
  44. 2018-07-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0640 MG/L · limit 0.0600 MG/LBack in compliance
  45. 2018-04-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0650 MG/L · limit 0.0600 MG/LBack in compliance
  46. 2018-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0880 MG/L · limit 0.0800 MG/LBack in compliance
  47. 2017-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  48. 2015-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0850 MG/L · limit 0.0800 MG/LBack in compliance
  49. 2015-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0870 MG/L · limit 0.0800 MG/LBack in compliance
  50. 2014-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  51. 2013-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  52. 2012-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  53. 2011-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  54. 2010-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  55. 1994-01-01Lead and Copper RuleInitial Tap Sampling for Pb and CuBack in compliance
  56. 1992-09-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  57. 1992-08-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  58. 1992-07-01Coliform (TCR)MCL, Monthly (TCR)Back in compliance
  59. 1992-04-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  60. 1992-03-01Coliform (TCR)MCL, Monthly (TCR)Back in compliance
  61. 1986-09-01Coliform (Pre-TCR)MCL, Averagemeasured 9.00 Back in compliance
  62. 1985-01-01Coliform (Pre-TCR)Monitoring, RegularBack in compliance
  63. 1984-12-01Coliform (Pre-TCR)Monitoring, RegularBack in compliance
  64. 1983-07-31Coliform (Pre-TCR)Monitoring, RegularBack in compliance
  65. 1981-12-31Coliform (Pre-TCR)Monitoring, RegularBack in compliance
  66. 1979-10-31Coliform (Pre-TCR)Monitoring, RegularBack in compliance

System details

Population served205
Service connections82
Water sourceSurface Water Purchased
System typeCommunity Water System
OwnerLocal Government
StatusActive
CityNowata
EPA ZIP on file74048

Areas served

  • Nowata County

Reading this record

Nowata Co Rwd #2 is a community water system that draws from surface water purchased and serves about 205 people in Nowata, Oklahoma. 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.