C47/100
Centerville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 7,500 residents · Louisiana
What's In Centerville's Tap Water?
32
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.70 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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
Water Utility Details
ST MARY WATER & SEWER COMM #3
Population Served
7,500
Water Source
Surface Water
System ID
LA1101010
Frequently Asked Questions About Centerville Water
Is Centerville tap water safe to drink?
Centerville, Louisiana tap water receives a grade of C (47/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 13 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Centerville's water?
Of the 32 contaminants tested in Centerville's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Centerville have any water quality violations?
Yes, Centerville has 13 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, Other. 8 of these are health-based violations, which are the most serious category.
Do I need a water filter in Centerville?
Based on EPA data, using a water filter in Centerville is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Centerville's tap water come from?
Centerville's drinking water is sourced from surface water and supplied by ST MARY WATER & SEWER COMM #3. The system serves approximately 7,500 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Centerville's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Centerville's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Centerville's water compare to other cities in Louisiana?
Centerville's water quality score of 47/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Centerville's water quality?
If you have concerns about Centerville's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (ST MARY WATER & SEWER COMM #3) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.