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Water system · PWSID IA7736011

GRIMES WATER SUPPLY

GRIMES, IA · ~15,392 people served

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

PWSID

IA7736011

State

Iowa

City

GRIMES

Population served

15,392

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 2025). Levels in parts per trillion (ppt).

Lithium

22,000 ppt

limit —

No federal limit

Violations & enforcement

7

Violations on record

0

Unaddressed

2

Health-based

32

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2021. Official EPA record →

Monitoring & reporting · Nitrite began Jan 2021 Resolved
Other began Oct 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2011 Resolved
Monitoring & reporting · EPA contaminant 2039 began Apr 1997 Resolved
Monitoring & reporting · EPA contaminant 2983 began Apr 1997 Resolved
Monitoring & reporting · Gross alpha began Jul 1985 Resolved

Recent enforcement actions

  • State action · SIF Jun 2021
  • State action · SFJ May 2021
  • State action · SIE May 2021
  • State action · SOX Apr 2021
  • State action · SOX Nov 2011
  • State action · SFJ Oct 2011
  • State action · SOX Sep 2011
  • State action · SOX Sep 2011

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

3 stations · latest Sep 2025

2 · max 20 mg/L · 46

Fluoride

2 stations · latest Sep 2025

0.215 · max 0.31 mg/L · 16

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system IA7736011 — 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.