Water system

City of St. Martinville Water System

D
Louisiana EPA ID LA1099007 7,263 people Groundwater

What this means for you

Is it safe to drink right now?
EPA records show 1 recent health-based violation for City of St. Martinville Water System that is not marked resolved. Check your utility’s website or bill insert for any boil-water or do-not-drink notice and follow it.
Should I use a filter?
Yes, we recommend considering one. Unresolved health-based issues make a home filter a reasonable backup.
What kind of filter?
See matched standards and product picks.

This is general information from public EPA data, not medical advice. Lead often comes from a home’s own pipes, so only a test of your tap can tell your exposure. If you are pregnant, caring for an infant, or have a weakened immune system, ask your doctor or health department.

Summary: 6 health-based violations in the last 5 years; 3 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
EPA data snapshot 2026Q3. Grade is TapWaterZip's own score — see methods.

PFAS (“forever chemicals”), EPA UCMR 5

No PFAS detected in any UCMR 5 sample.

5 PFAS tested and not detected

PFOA, PFOS, HFPO-DA, PFNA, PFHxS (2 samples each, below EPA minimum reporting levels).

Hazard Index (PFHxS, PFNA, GenX, PFBS): 0 (limit 1.0, proposed for repeal).

Averages are per sampling location across UCMR 5 samples (non-detects counted as 0), approximating the rule’s running annual average. Not an official compliance determination; PFOA/PFOS MCL compliance begins April 26, 2029.

Lithium (also tested in UCMR 5, not a PFAS; no federal limit): highest location average 30.4 ppb.

Lead and copper

Lead 90th percentile2 ppb2023-12-31
Current action level15 ppbLCRI lowers to 10 ppb on Nov 1, 2027

Violations (last 5 years)

BeganTypeContaminant / ruleStatus
2025-11-05Required treatment not doneGroundwater RuleResolved
2025-11-05Required treatment not doneGroundwater RuleUnaddressed
2024-10-17Required treatment not doneLEAD AND COPPER RULE REVISIONSResolved
2023-11-27Required treatment not doneGroundwater RuleResolved
2023-11-27Required treatment not doneGroundwater RuleUnaddressed
2023-02-24Required treatment not doneGroundwater RuleUnaddressed

Filters matched to this water

FILTER PICKS

Look for filters certified (NSF, IAPMO or WQA) to these standards for the specific contaminant. Buttons open the maker’s page or an Amazon search; use “Check NSF listing” to verify a model’s claims. No affiliate links yet — grades are never sold.

Chlorine/chloramine taste

NSF/ANSI 42
Aquasana Clean Water Pitcher ~$35
Pitcher for chlorine taste/odor; check the NSF/ANSI 42 listing for the exact model.
Search on Amazon →
Check NSF listing · Not an affiliate link · disclosure
Brita Elite Filter ~$20–40
Common faucet/pitcher option; confirm the 42 claim on the box.
View on Brita →
Check NSF listing · Not an affiliate link · disclosure

Annual water quality report

Utilities must publish a Consumer Confidence Report every year by July 1. Find it on the utility’s website or ask them directly; EPA explains how.

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