CARTER LAKE WATER DISTRICT

CARTER LAKE, IA · ~3,791 people served

Check your exact address → CARTER LAKE overview

100

Excellent

PurityRadar safety score

PWSID

IA7812079

State

Iowa

City

CARTER LAKE

Population served

3,791

Primary source

SWP

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

54,000 ppt

limit —

No federal limit

PFBA

5.3 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2024. Official EPA record →

Other · EPA contaminant 7500 began May 2022 Unaddressed

Monitoring & reporting · Nitrite began Oct 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2022 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jun 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2021 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Dec 2021 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Mar 2021 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Mar 2021 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2017 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Dec 2017 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2011 Resolved

Recent enforcement actions

State action · SOX Jul 2024
State action · SIF Nov 2023
State action · SFJ Oct 2023
State action · SIE Oct 2023
State action · SIF Apr 2023
State action · SIF Oct 2022
State action · SIF Oct 2022
State action · SOX Sep 2022

This profile is built from EPA public records for system IA7812079 — 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.