Community Water System · PWSID NN3510007

Thoreau High School

Serves 746 peopleGroundwaterOwner: Local GovernmentThoreau, New MexicoServes a school or daycare
Nothing open that measures the water, but 5 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 2013: 37 violations. 2 over the limit · 4 treatment lapses · 21 missed or late tests · 10 notices or reports. Most recent began 2024-08-01.

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

2Over the limit
4Treatment lapse
21Missed or late test
10Notice or report5 open

More violations on record than 76% of active water systems in New Mexico. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

200520102013 · Missed or late test: 120152016 · Missed or late test: 32016 · Missed or late test: 32017 · Missed or late test: 12018 · Missed or late test: 120202021 · Missed or late test: 122021 · Missed or late test: 122021 · Missed or late test: 122021 · Missed or late test: 122021 · Missed or late test: 122021 · Missed or late test: 122021 · Notice or report: 12022 · Over the limit: 12022 · Treatment lapse: 22022 · Notice or report: 52022 · Notice or report: 52022 · Notice or report: 52024 · Over the limit: 12024 · Treatment lapse: 22024 · Missed or late test: 32024 · Missed or late test: 32024 · Notice or report: 42024 · Notice or report: 42025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
5% over the limit · 211% treatment lapse · 457% missed or late test · 2127% notice or report · 10

Across New Mexico, 40% of violations are missed or late tests and 6% 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 7 results on file · action level 15 ppb

8 ppb
7.7 ppb
6.9 ppb
5.9 ppb
5 ppb
5 ppb
1.6 ppb

Open now (5)

  1. 2024-08-01Public NoticePN Violation for NPDWR ViolationOpen
  2. 2024-07-01Public Notice ×2PN Violation for NPDWR ViolationOpen
  3. 2022-08-01Public Notice ×2PN Violation for NPDWR ViolationOpen

Every violation on record

  1. 2024-08-01Public NoticePN Violation for NPDWR ViolationOpen
  2. 2024-08-01Revised Total Coliform RuleTTBack in compliance
  3. 2024-07-01Public Notice ×2PN Violation for NPDWR ViolationOpen
  4. 2024-07-01Revised Total Coliform RuleTTBack in compliance
  5. 2024-07-01ChlorineMonitoring and Reporting (DBP)Period ended · no return to compliance on file
  6. 2024-07-01Revised Total Coliform RuleMCLPeriod ended · no return to compliance on file
  7. 2024-05-01Revised Total Coliform RuleRPTBack in compliance
  8. 2024-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  9. 2024-01-01NitriteMonitoring, RegularPeriod ended · no return to compliance on file
  10. 2022-10-01Revised Total Coliform RuleTTBack in compliance
  11. 2022-08-01Public Notice ×2PN Violation for NPDWR ViolationOpen
  12. 2022-08-01Revised Total Coliform RuleTTBack in compliance
  13. 2022-08-01Revised Total Coliform RuleMCLBack in compliance
  14. 2022-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  15. 2022-06-01Revised Total Coliform RuleRPTBack in compliance
  16. 2022-05-01Revised Total Coliform RuleRPTBack in compliance
  17. 2021-12-01Revised Total Coliform RuleMONBack in compliance
  18. 2021-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  19. 2021-09-01Revised Total Coliform RuleMONBack in compliance
  20. 2021-08-01Revised Total Coliform RuleMONBack in compliance
  21. 2021-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  22. 2021-07-01Revised Total Coliform RuleMONBack in compliance
  23. 2021-04-01Revised Total Coliform RuleMONBack in compliance
  24. 2021-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  25. 2021-03-01Revised Total Coliform RuleMONBack in compliance
Show the other 10 entries
  1. 2021-02-01Revised Total Coliform RuleMONBack in compliance
  2. 2021-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  3. 2021-01-01NitriteMonitoring, RegularBack in compliance
  4. 2021-01-01NitrateMonitoring, RegularBack in compliance
  5. 2018-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  6. 2017-01-01Revised Total Coliform RuleMONBack in compliance
  7. 2016-02-01Coliform (TCR)Monitoring, Routine Major (TCR)Back in compliance
  8. 2016-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  9. 2016-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
  10. 2013-10-01Dbp Stage 2Failure Submit IDSE/Subpart V Plan RptBack in compliance

System details

Population served746
Service connections82
Water sourceGroundwater
System typeCommunity Water System
OwnerLocal Government
StatusActive
CityThoreau
EPA ZIP on file87323

Areas served

  • Thoreau High School Compound

Reading this record

Thoreau High School is a community water system that draws from groundwater and serves about 746 people in Thoreau, New Mexico. 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.