B70/100
OSKALOOSA, CITY OF — Water Quality Report 2026
Serving 1,086 people · Kansas
Water Source
Purchased Groundwater
County
—
System ID
KS2008714
Violations
15
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.10 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 OSKALOOSA, CITY OF
Is OSKALOOSA, CITY OF water safe to drink?
OSKALOOSA, CITY OF water receives a grade of B (70/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has OSKALOOSA, CITY OF detected?
2 contaminants were tested in OSKALOOSA, CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does OSKALOOSA, CITY OF have any EPA violations?
Yes, OSKALOOSA, CITY OF has 15 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, TT. 1 are health-based violations.
How many people does OSKALOOSA, CITY OF serve?
OSKALOOSA, CITY OF serves approximately 1,086 people, Kansas. The system provides water to 1 community: Oskaloosa.
What type of water does OSKALOOSA, CITY OF provide?
OSKALOOSA, CITY OF sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is KS2008714.
How does OSKALOOSA, CITY OF compare to other utilities in Kansas?
OSKALOOSA, CITY OF scores 70/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Kansas state page for a full comparison of water systems.