F0/100
BONNE TERRE PWS — Water Quality Report 2026
Serving 3,537 people · Missouri
Water Source
Groundwater
County
—
System ID
MO4010087
Violations
124
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.39 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.013 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 BONNE TERRE PWS
Is BONNE TERRE PWS water safe to drink?
BONNE TERRE PWS water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 124 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BONNE TERRE PWS detected?
32 contaminants were tested in BONNE TERRE PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does BONNE TERRE PWS have any EPA violations?
Yes, BONNE TERRE PWS has 124 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other, MCL. 107 are health-based violations.
How many people does BONNE TERRE PWS serve?
BONNE TERRE PWS serves approximately 3,537 people, Missouri. The system provides water to 1 community: Bonne Terre.
What type of water does BONNE TERRE PWS provide?
BONNE TERRE PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO4010087.
How does BONNE TERRE PWS compare to other utilities in Missouri?
BONNE TERRE PWS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Missouri state page for a full comparison of water systems.