Transient Non-Community · PWSID PA1150818

Marsh Creek State Park

Serves 1,630 peopleGroundwaterOwner: StateDowningtown, Pennsylvania
Nothing open right now.

On record since 2006: 25 violations. 1 treatment lapse · 14 missed or late tests · 10 notices or reports. Most recent began 2025-04-01.

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
1Treatment lapse
14Missed or late test
10Notice or report

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

The record, year by year

20052006 · Notice or report: 120102013 · Missed or late test: 32013 · Missed or late test: 32013 · Missed or late test: 32013 · Notice or report: 120152016 · Notice or report: 12017 · Missed or late test: 22017 · Missed or late test: 22017 · Notice or report: 12019 · Missed or late test: 22019 · Missed or late test: 22020 · Notice or report: 120202021 · Missed or late test: 22021 · Missed or late test: 22022 · Treatment lapse: 12022 · Notice or report: 12023 · Missed or late test: 42023 · Missed or late test: 42023 · Missed or late test: 42023 · Missed or late test: 42025 · Missed or late test: 12025 · Notice or report: 42025 · Notice or report: 42025 · Notice or report: 42025 · Notice or report: 42025
One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.
4% treatment lapse · 156% missed or late test · 1440% notice or report · 10

Across Pennsylvania, 71% of violations are missed or late tests and 2% are water over a limit.

Every violation on record

  1. 2025-04-01Revised Total Coliform RuleMONBack in compliance
  2. 2025-01-11Public Notice ×4PN Violation for NPDWR ViolationBack in compliance
  3. 2023-01-01Nitrite ×2Monitoring, RegularPeriod ended · no return to compliance on file
  4. 2023-01-01Nitrate ×2Monitoring, RegularPeriod ended · no return to compliance on file
  5. 2022-05-13Public NoticePN Violation for NPDWR ViolationBack in compliance
  6. 2022-04-01Revised Total Coliform RuleTTBack in compliance
  7. 2021-07-04E. ColiMonitoring, Source Water (GWR)Back in compliance
  8. 2021-04-01Revised Total Coliform RuleMONPeriod ended · no return to compliance on file
  9. 2020-06-02Revised Total Coliform RuleRPTBack in compliance
  10. 2019-09-01Revised Total Coliform RuleMONBack in compliance
  11. 2019-06-03E. ColiMonitoring, Source Water (GWR)Back in compliance
  12. 2017-04-01Revised Total Coliform RuleRPTBack in compliance
  13. 2017-01-01NitriteMonitoring, RegularBack in compliance
  14. 2017-01-01NitrateMonitoring, RegularBack in compliance
  15. 2016-04-01Revised Total Coliform RuleRPTBack in compliance
  16. 2013-12-11Public NoticePN Violation for NPDWR ViolationBack in compliance
  17. 2013-11-04E. Coli ×3Monitoring, Source Water (GWR)Back in compliance
  18. 2006-09-10Public NoticePN Violation for NPDWR ViolationBack in compliance

System details

Population served1,630
Service connections6
Water sourceGroundwater
System typeTransient Non-Community
OwnerState
StatusActive
CityDowningtown
EPA ZIP on file19335

Areas served

  • Chester County

Reading this record

Marsh Creek State Park is a transient non-community that draws from groundwater and serves about 1,630 people in Downingtown, Pennsylvania. 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.