K

Knappa, OR

—no score

Contamination score

Higher = more contaminated vs. other cities.

0
Water sources
6
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

KNAPPA WATER ASSOCIATION

PWSID:
OR4100061
Source:
Ground water
Serves:
1,800 people

EPA & DEP violations

KNAPPA WATER ASSOCIATION

PWSID OR41000616 violations

  • Monitoring violation — KNAPPA WATER ASSOCIATION

    low severityOpen

    EPA SDWIS violation 900185825 (code 3A) at KNAPPA WATER ASSOCIATION (PWSID OR4100061).

    EPA SDWIS · Monitoring violation · Began Dec 1, 2025 · 8 months ago · Source ↗

  • Monitoring violation — KNAPPA WATER ASSOCIATION

    low severityOpen

    EPA SDWIS violation 900185824 (code 3A) at KNAPPA WATER ASSOCIATION (PWSID OR4100061).

    EPA SDWIS · Monitoring violation · Began Nov 1, 2025 · 9 months ago · Source ↗

  • Monitoring violation — KNAPPA WATER ASSOCIATION

    low severityResolved

    EPA SDWIS violation 900185822 (code 3A) at KNAPPA WATER ASSOCIATION (PWSID OR4100061).

    EPA SDWIS · Monitoring violation · Began Nov 1, 2023 · 2 years ago · Source ↗

  • Monitoring violation — KNAPPA WATER ASSOCIATION

    low severityResolved

    EPA SDWIS violation 900185821 (code 3A) at KNAPPA WATER ASSOCIATION (PWSID OR4100061).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — KNAPPA WATER ASSOCIATION

    low severityResolved

    EPA SDWIS violation 900185820 (code 52) at KNAPPA WATER ASSOCIATION (PWSID OR4100061).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2021 · 4 years ago · Source ↗

  • Monitoring violation — KNAPPA WATER ASSOCIATION

    low severityOpen

    EPA SDWIS violation 900185818 (code 3A) at KNAPPA WATER ASSOCIATION (PWSID OR4100061).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2016 · 10 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

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