Community Water System · PWSID CO0135610

Pinewood Springs Wd

Serves 745 peopleSurface WaterOwner: Local GovernmentLyons, Colorado
Nothing open right now.

On record since 2008: 42 violations. 16 over the limit · 5 treatment lapses · 14 missed or late tests · 7 notices or reports. Most recent began 2025-09-22.

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

16Over the limit
5Treatment lapse
14Missed or late test
7Notice or report

More violations on record than 90% of active water systems in Colorado. 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: 120102015 · Treatment lapse: 120152016 · Missed or late test: 12017 · Notice or report: 120202021 · Missed or late test: 42021 · Missed or late test: 42022 · Treatment lapse: 32022 · Treatment lapse: 32022 · Missed or late test: 42022 · Missed or late test: 42022 · Notice or report: 22023 · Over the limit: 22023 · Notice or report: 12024 · Over the limit: 82024 · Over the limit: 82024 · Over the limit: 82024 · Over the limit: 82024 · Treatment lapse: 12024 · Missed or late test: 32024 · Missed or late test: 32024 · Notice or report: 12025 · Over the limit: 62025 · Over the limit: 62025 · Over the limit: 62025 · Missed or late test: 12025 · Notice or report: 22025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
38% over the limit · 1612% treatment lapse · 533% missed or late test · 1417% notice or report · 7

Across Colorado, 74% of violations are missed or late tests and 6% are water over a limit.

How far over the limit

at the limit2×5×10×100×+Trihalomethanes (TTHM)Total Haloacetic Acids (HAA5)2025-07-01 · Trihalomethanes (TTHM): measured 0.2240 MG/L vs limit 0.0800 MG/L (2.8×)2025-07-01 · Total Haloacetic Acids (HAA5): measured 0.0710 MG/L vs limit 0.0600 MG/L (1.2×)2025-04-01 · Trihalomethanes (TTHM): measured 0.1920 MG/L vs limit 0.0800 MG/L (2.4×)2025-04-01 · Total Haloacetic Acids (HAA5): measured 0.0670 MG/L vs limit 0.0600 MG/L (1.1×)2025-01-01 · Trihalomethanes (TTHM): measured 0.1780 MG/L vs limit 0.0800 MG/L (2.2×)2025-01-01 · Total Haloacetic Acids (HAA5): measured 0.0930 MG/L vs limit 0.0600 MG/L (1.6×)2024-10-01 · Trihalomethanes (TTHM): measured 0.1550 MG/L vs limit 0.0800 MG/L (1.9×)2024-10-01 · Total Haloacetic Acids (HAA5): measured 0.0810 MG/L vs limit 0.0600 MG/L (1.4×)2024-07-01 · Total Haloacetic Acids (HAA5): measured 0.0920 MG/L vs limit 0.0600 MG/L (1.5×)2024-07-01 · Trihalomethanes (TTHM): measured 0.1310 MG/L vs limit 0.0800 MG/L (1.6×)2024-04-01 · Total Haloacetic Acids (HAA5): measured 0.0966 MG/L vs limit 0.0600 MG/L (1.6×)2024-04-01 · Trihalomethanes (TTHM): measured 0.1140 MG/L vs limit 0.0800 MG/L (1.4×)2024-01-01 · Total Haloacetic Acids (HAA5): measured 0.0746 MG/L vs limit 0.0600 MG/L (1.2×)2024-01-01 · Trihalomethanes (TTHM): measured 0.1147 MG/L vs limit 0.0800 MG/L (1.4×)2023-10-01 · Total Haloacetic Acids (HAA5): measured 0.0700 MG/L vs limit 0.0600 MG/L (1.2×)2023-10-01 · Trihalomethanes (TTHM): measured 0.1030 MG/L vs limit 0.0800 MG/L (1.3×)
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.

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 6 results on file · action level 15 ppb

3.3 ppb
3 ppb
3 ppb
2.6 ppb
2.5 ppb
2.2 ppb

Every violation on record

  1. 2025-09-22Unknown contaminantRecord KeepingBack in compliance
  2. 2025-09-02Public NoticePN Violation without NPDWR ViolationBack in compliance
  3. 2025-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.2240 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  4. 2025-07-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0710 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  5. 2025-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1920 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  6. 2025-04-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0670 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  7. 2025-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1780 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  8. 2025-01-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0930 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  9. 2025-01-01Lead and Copper RuleLead Consumer NoticeBack in compliance
  10. 2024-12-01Surface water treatment (SWTR)Treatment Technique (SWTR and GWR)Period ended · no return to compliance on file
  11. 2024-10-04Public NoticePN Violation for NPDWR ViolationBack in compliance
  12. 2024-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1550 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  13. 2024-10-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0810 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  14. 2024-07-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0920 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  15. 2024-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1310 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  16. 2024-06-03Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptBack in compliance
  17. 2024-05-01Surface water filtration (IESWTR)Monitoring, Turbidity (Enhanced SWTR)Back in compliance
  18. 2024-05-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  19. 2024-04-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0966 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  20. 2024-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1140 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  21. 2024-01-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0746 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  22. 2024-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1147 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  23. 2023-10-01Total Haloacetic Acids (HAA5)MCL, Averagemeasured 0.0700 MG/L · limit 0.0600 MG/LPeriod ended · no return to compliance on file
  24. 2023-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1030 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  25. 2023-04-18Public NoticePN Violation without NPDWR ViolationBack in compliance
Show the other 15 entries
  1. 2022-12-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  2. 2022-12-01Surface water filtration (IESWTR)Monitoring, Turbidity (Enhanced SWTR)Back in compliance
  3. 2022-10-18Public NoticePN Violation without NPDWR ViolationBack in compliance
  4. 2022-10-16Groundwater Rule ×3Failure To Address DeficiencyBack in compliance
  5. 2022-10-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  6. 2022-10-01Surface water filtration (IESWTR)Monitoring, Turbidity (Enhanced SWTR)Back in compliance
  7. 2022-07-18Public NoticePN Violation without NPDWR ViolationBack in compliance
  8. 2021-12-01Revised Total Coliform RuleMONBack in compliance
  9. 2021-12-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  10. 2021-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  11. 2021-07-012, 4-DMonitoring, RegularBack in compliance
  12. 2017-02-02Unknown contaminantRecord KeepingBack in compliance
  13. 2016-07-01HexachlorocyclopentadieneMonitoring, RegularBack in compliance
  14. 2015-04-01Surface water filtration (IESWTR)Single Turbidity Exceed (Enhanced SWTR)Back in compliance
  15. 2008-04-01Dbp Stage 2Monitoring, Routine (IDSE)Back in compliance

System details

Population served745
Service connections298
Water sourceSurface Water
System typeCommunity Water System
OwnerLocal Government
StatusActive
CityLyons
EPA ZIP on file80540

Areas served

  • Larimer County

Reading this record

Pinewood Springs Wd is a community water system that draws from surface water and serves about 745 people in Lyons, Colorado. 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.