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Water system · PWSID AR0000421

MARVELL WATERWORKS

MARVELL, AR · ~1,035 people served

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

PWSID

AR0000421

State

Arkansas

City

MARVELL

Population served

1,035

Primary source

Groundwater

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 Aug 2024). Levels in parts per trillion (ppt).

Lithium

32,900 ppt

limit —

No federal limit

Violations & enforcement

27

Violations on record

1

Unaddressed

4

Health-based

37

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Monitoring & reporting · EPA contaminant 3014 began Jun 2025 Unaddressed
Monitoring · Lead & Copper Rule began Aug 2025 Resolved
Monitoring & reporting · EPA contaminant 3014 began May 2025 Resolved
Reporting · Lead & Copper Rule began Apr 2025 Resolved
Reporting · Lead & Copper Rule began Sep 2022 Resolved
Monitoring · Lead & Copper Rule began Mar 2022 Resolved
Reporting · Lead & Copper Rule began Sep 2020 Resolved
Reporting · Lead & Copper Rule began Dec 2019 Resolved
Other · EPA contaminant 7500 began Sep 2018 Resolved
Treatment technique · EPA contaminant 0400 health-based began Jun 2018 Resolved
Monitoring · Lead & Copper Rule began May 2018 Resolved
Treatment technique · EPA contaminant 0400 health-based began May 2018 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SOX Jul 2025
  • State action · SFJ Jun 2025
  • State action · SOX Dec 2022
  • State action · SOX Jun 2022
  • State action · SIF Mar 2021
  • State action · SOX Dec 2020
  • State action · SIF Dec 2020

This profile is built from EPA public records for system AR0000421 — 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.