A91/100
KNAPPA WATER ASSOCIATION — Water Quality Report 2026
Serving 1,800 people · Oregon
Water Source
Groundwater
County
—
System ID
OR4100061
Violations
9
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2023 – November 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – July 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – June 8, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About KNAPPA WATER ASSOCIATION
Is KNAPPA WATER ASSOCIATION water safe to drink?
KNAPPA WATER ASSOCIATION water receives a grade of A (91/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has KNAPPA WATER ASSOCIATION detected?
1 contaminants were tested in KNAPPA WATER ASSOCIATION's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does KNAPPA WATER ASSOCIATION have any EPA violations?
Yes, KNAPPA WATER ASSOCIATION has 9 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, MR.
How many people does KNAPPA WATER ASSOCIATION serve?
KNAPPA WATER ASSOCIATION serves approximately 1,800 people, Oregon.
What type of water does KNAPPA WATER ASSOCIATION provide?
KNAPPA WATER ASSOCIATION sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OR4100061.
How does KNAPPA WATER ASSOCIATION compare to other utilities in Oregon?
KNAPPA WATER ASSOCIATION scores 91/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Oregon state page for a full comparison of water systems.