Community Water System · PWSID MO4010710

Ste Genevieve Pws

Serves 4,999 peopleGroundwaterOwner: Local GovernmentSte. Genevieve, Missouri

Nothing open right now.

On record since 2018: 11 violations. 1 treatment lapse · 5 missed or late tests · 5 notices or reports. Most recent began 2025-07-01.

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

5Missed or late test

5Notice or report

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

The record, year by year

One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.

9% treatment lapse · 145% missed or late test · 545% notice or report · 5

Across Missouri, 54% of violations are missed or late tests and 8% 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 8 results on file · action level 15 ppb

4.5 ppb

1.8 ppb

1.1 ppb

0 ppb

Every violation on record

2025-07-01Groundwater RuleTreatment Technique (SWTR and GWR)Back in compliance
2025-07-01Revised Total Coliform RuleMONBack in compliance
2024-11-01Groundwater RuleMonitoring of Treatment (SWTR-Unfilt/GWR)Period ended · no return to compliance on file
2023-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2022-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2021-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2020-02-29Public NoticePN Violation for NPDWR ViolationBack in compliance
2019-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2019-01-01Groundwater RuleMonitoring of Treatment (SWTR-Unfilt/GWR)Back in compliance
2018-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
2018-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance

System details

Population served	4,999
Service connections	1,967
Water source	Groundwater
System type	Community Water System
Owner	Local Government
Status	Active
City	Ste. Genevieve
EPA ZIP on file	63370-0000

Areas served

Ste. Genevieve, Ste. Genevieve County

Reading this record

Ste Genevieve Pws is a community water system that draws from groundwater and serves about 4,999 people in Ste. Genevieve, Missouri. 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.