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Water system · PWSID OR4100443

KLAMATH FALLS WATER DEPT

KLAMATH FALLS, OR · ~40,475 people served

Check your exact address → KLAMATH FALLS overview
88
Excellent
PurityRadar safety score

PWSID

OR4100443

State

Oregon

City

KLAMATH FALLS

Population served

40,475

Primary source

Groundwater

Score history

▼ 12 points — the score moved from 100 to 88 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 88

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).

PFOS

Perfluorooctanesulfonic acid

4.7 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFHxS

Perfluorohexanesulfonic acid

3.7 ppt

limit 10 ppt

Below EPA limit

PFBS

3.2 ppt

limit —

No federal limit

Violations & enforcement

165

Violations on record

0

Unaddressed

1

Health-based

168

Enforcement actions

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

Monitoring · Lead & Copper Rule began Feb 2025 Resolved
Other · EPA contaminant 7000 began Oct 2024 Resolved
Monitoring · Lead & Copper Rule began Sep 2024 Resolved
Other · EPA contaminant 7000 began Jul 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved
Monitoring · Lead & Copper Rule began Sep 2019 Resolved
Monitoring · Lead & Copper Rule began Oct 2018 Resolved
Monitoring & reporting · Total coliform began Oct 2007 Resolved
Monitoring & reporting · Total coliform began Dec 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Mar 2025
  • State action · SOX Nov 2024
  • State action · SOX Oct 2024
  • State action · SOX Oct 2024
  • State action · SOX Jul 2023
  • State action · SOX Jul 2021
  • State action · SOX Oct 2019
  • State action · SOX Nov 2018

This profile is built from EPA public records for system OR4100443 — 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.