EPA data as of Oct 2026 · page updated 2026-10-30

Town of Cotton Valley Water System

Town of Cotton Valley Water System (EPA ID LA1119004) in Cotton Valley, LA supplies groundwater (wells) to about 1,380 people: 5 violations since 2016, latest lead result 2 ppb, PFAS not tested.

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

System facts

People served1,380
Connections460
Sourcegroundwater (wells)
WholesalerNo

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Groundwater Rule5

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. 4 still listed as unresolved (“unaddressed” or “addressed” but not yet returned to compliance); the latest began Sep 2020.

Lead

Jan 20242 ppb
Jan 20183 ppb
Jan 20172 ppb
Jan 20112 ppb
Jan 20082 ppb
Jul 20074 ppb
Jan 20051.1 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

ZIP codes served

ZIP codes whose center lies in this system’s service area.

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Town of Cotton Valley Water System had drinking water violations?

Health-based violations since 2016: Groundwater Rule. 4 are still listed as unresolved in EPA records.

What is the lead level in Town of Cotton Valley Water System water?

The latest 90th-percentile lead result (Jan 2024) was 2 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Town of Cotton Valley Water System have PFAS in its water?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).