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Water system · PWSID LA1007001

ASSUMPTION PARISH WW DISTRICT 1

NAPOLEONVILLE, LA · ~21,366 people served

Check your exact address → NAPOLEONVILLE overview
100
Excellent
PurityRadar safety score

PWSID

LA1007001

State

Louisiana

City

NAPOLEONVILLE

Population served

21,366

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Sep 2024). Levels in parts per trillion (ppt).

Lithium

11,300 ppt

limit —

No federal limit

6:2 FTS

15 ppt

limit —

No federal limit

PFBA

6.1 ppt

limit —

No federal limit

Violations & enforcement

30

Violations on record

0

Unaddressed

25

Health-based

134

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2020. Official EPA record →

Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2019 Resolved
Monitoring · Lead & Copper Rule began Oct 2017 Resolved
Treatment technique · EPA contaminant 0300 health-based began Aug 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2015 Resolved
Treatment technique · EPA contaminant 0300 health-based began May 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2014 Resolved
Other · EPA contaminant 7500 began Nov 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2013 Resolved

Recent enforcement actions

  • State action · SOX Mar 2020
  • State action · SIF Feb 2020
  • State action · SIE Dec 2019
  • State action · SIA Dec 2019
  • State action · SIF Nov 2019
  • State action · SIE Oct 2019
  • State action · SIA Oct 2019
  • State action · SOX Jun 2019

This profile is built from EPA public records for system LA1007001 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.