B61/100
STE GENEVIEVE PWS — Water Quality Report 2026
Serving 4,999 people · Missouri
Water Source
Groundwater
County
—
System ID
MO4010710
Violations
15
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.94 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
6
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Resolved
Failed treatment technique requirements
When: July 1, 2025 – July 31, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025 – July 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2024 – November 30, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – November 9, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – November 9, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – November 24, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About STE GENEVIEVE PWS
Is STE GENEVIEVE PWS water safe to drink?
STE GENEVIEVE PWS water receives a grade of B (61/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has STE GENEVIEVE PWS detected?
32 contaminants were tested in STE GENEVIEVE PWS's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does STE GENEVIEVE PWS have any EPA violations?
Yes, STE GENEVIEVE PWS has 15 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MON, MR. 4 are health-based violations.
How many people does STE GENEVIEVE PWS serve?
STE GENEVIEVE PWS serves approximately 4,999 people, Missouri. The system provides water to 1 community: Ste. Genevieve.
What type of water does STE GENEVIEVE PWS provide?
STE GENEVIEVE PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO4010710.
How does STE GENEVIEVE PWS compare to other utilities in Missouri?
STE GENEVIEVE PWS scores 61/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Missouri state page for a full comparison of water systems.