Community Water System · PWSID AZ0408174

Katherine Heights

Serves 415 peopleGroundwater PurchasedOwner: PrivateWashington, Utah
1 open treatment violation.

Open for: Lead service line inventory. 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 2008: 80 violations. 3 treatment lapses · 50 missed or late tests · 27 notices or reports. Most recent began 2025-08-01.

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
3Treatment lapse1 open
50Missed or late test
27Notice or report1 open

More violations on record than 96% of active water systems in Utah. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

20052008 · Missed or late test: 12008 · Notice or report: 12009 · Notice or report: 12010 · Notice or report: 22010 · Notice or report: 220102012 · Missed or late test: 22012 · Missed or late test: 22012 · Notice or report: 12013 · Missed or late test: 52013 · Missed or late test: 52013 · Missed or late test: 52013 · Missed or late test: 52013 · Missed or late test: 52013 · Notice or report: 22013 · Notice or report: 22014 · Missed or late test: 12014 · Notice or report: 12015 · Notice or report: 22015 · Notice or report: 220152016 · Treatment lapse: 12016 · Missed or late test: 42016 · Missed or late test: 42016 · Missed or late test: 42016 · Missed or late test: 42016 · Notice or report: 22016 · Notice or report: 22017 · Missed or late test: 42017 · Missed or late test: 42017 · Missed or late test: 42017 · Missed or late test: 42017 · Notice or report: 22017 · Notice or report: 22018 · Missed or late test: 12018 · Notice or report: 12019 · Missed or late test: 52019 · Missed or late test: 52019 · Missed or late test: 52019 · Missed or late test: 52019 · Missed or late test: 52020 · Missed or late test: 42020 · Missed or late test: 42020 · Missed or late test: 42020 · Missed or late test: 420202021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92021 · Missed or late test: 92022 · Treatment lapse: 12022 · Missed or late test: 42022 · Missed or late test: 42022 · Missed or late test: 42022 · Missed or late test: 42022 · Notice or report: 32022 · Notice or report: 32022 · Notice or report: 32023 · Missed or late test: 22023 · Missed or late test: 22023 · Notice or report: 52023 · Notice or report: 52023 · Notice or report: 52023 · Notice or report: 52023 · Notice or report: 52024 · Treatment lapse: 12024 · Missed or late test: 52024 · Missed or late test: 52024 · Missed or late test: 52024 · Missed or late test: 52024 · Missed or late test: 52024 · Notice or report: 42024 · Notice or report: 42024 · Notice or report: 42024 · Notice or report: 42025 · Missed or late test: 32025 · Missed or late test: 32025 · Missed or late test: 32025
One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.
4% treatment lapse · 363% missed or late test · 5034% notice or report · 27

Across Utah, 81% of violations are missed or late tests and 2% are water over a limit.

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 12 results on file · action level 15 ppb

16 ppb
10 ppb
5.1 ppb
5.1 ppb
1.7 ppb
1.2 ppb
0.95 ppb
0.89 ppb
0.7 ppb
0.55 ppb
0 ppb
0 ppb

Open now (2)

  1. 2024-10-17Lead service line inventoryRPTOpen
  2. 2024-10-17Lead service line inventoryTTOpen

Every violation on record

  1. 2025-08-01Revised Total Coliform RuleMONBack in compliance
  2. 2025-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  3. 2025-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  4. 2024-12-20Public NoticePN Violation for NPDWR ViolationBack in compliance
  5. 2024-10-17Lead service line inventoryRPTOpen
  6. 2024-10-17Lead service line inventoryTTOpen
  7. 2024-10-02Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  8. 2024-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  9. 2024-03-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  10. 2024-02-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  11. 2024-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  12. 2024-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  13. 2024-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  14. 2023-12-13Public NoticePN Violation for NPDWR ViolationBack in compliance
  15. 2023-10-02Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  16. 2023-08-02Public NoticePN Violation for NPDWR ViolationBack in compliance
  17. 2023-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  18. 2023-01-29Public NoticePN Violation for NPDWR ViolationBack in compliance
  19. 2023-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
  20. 2023-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  21. 2022-10-03Revised Total Coliform RuleTTBack in compliance
  22. 2022-10-02Public NoticePN Violation for NPDWR ViolationBack in compliance
  23. 2022-10-02Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  24. 2022-10-01Lead and Copper RuleLead Consumer NoticeBack in compliance
  25. 2022-09-15E. ColiMonitoring, Source Water (GWR)Back in compliance
Show the other 55 entries
  1. 2022-07-02Public NoticePN Violation for NPDWR ViolationBack in compliance
  2. 2022-07-01Revised Total Coliform RuleMONBack in compliance
  3. 2022-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  4. 2021-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  5. 2021-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  6. 2021-07-31Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  7. 2021-07-31Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  8. 2021-05-01Revised Total Coliform RuleMONBack in compliance
  9. 2021-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  10. 2021-02-01Revised Total Coliform RuleMONBack in compliance
  11. 2021-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  12. 2021-01-01Lead and Copper RuleLead Consumer NoticeBack in compliance
  13. 2020-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  14. 2020-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  15. 2020-05-01Revised Total Coliform RuleMONBack in compliance
  16. 2020-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  17. 2019-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  18. 2019-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  19. 2019-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  20. 2019-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  21. 2019-01-01Lead and Copper RuleLead Consumer NoticeBack in compliance
  22. 2018-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  23. 2018-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  24. 2017-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  25. 2017-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  26. 2017-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  27. 2017-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  28. 2017-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
  29. 2017-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  30. 2016-10-01Lead and Copper RuleInitial, Follow-up, or Routine Source Water M/RBack in compliance
  31. 2016-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  32. 2016-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  33. 2016-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  34. 2016-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  35. 2016-05-01Lead and Copper RuleOCCT/SOWT Study/RecommendationBack in compliance
  36. 2016-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  37. 2015-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  38. 2015-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  39. 2014-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  40. 2014-01-01ArsenicMonitoring, RegularBack in compliance
  41. 2013-10-01Dbp Stage 2Failure Submit IDSE/Subpart V Plan RptBack in compliance
  42. 2013-10-01ArsenicMonitoring, RegularBack in compliance
  43. 2013-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  44. 2013-07-01ArsenicMonitoring, RegularBack in compliance
  45. 2013-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  46. 2013-04-01ArsenicMonitoring, RegularBack in compliance
  47. 2013-01-01ArsenicMonitoring, RegularBack in compliance
  48. 2012-10-01ArsenicMonitoring, RegularBack in compliance
  49. 2012-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  50. 2012-07-01ArsenicMonitoring, RegularBack in compliance
  51. 2010-10-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  52. 2010-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  53. 2009-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  54. 2008-07-01Lead and Copper RuleInitial Tap Sampling for Pb and CuBack in compliance
  55. 2008-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance

System details

Population served415
Service connections166
Water sourceGroundwater Purchased
System typeCommunity Water System
OwnerPrivate
StatusActive
CityWashington
EPA ZIP on file84780

Areas served

  • Bullhead City, Mohave County

Reading this record

Katherine Heights is a community water system that draws from groundwater purchased and serves about 415 people in Washington, Utah. 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.