B76/100
JEFFERSON CO RWD 7 — Water Quality Report 2026
Serving 1,180 people · Kansas
Water Source
Groundwater
County
—
System ID
KS2008713
Violations
8
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.36 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 JEFFERSON CO RWD 7
Is JEFFERSON CO RWD 7 water safe to drink?
JEFFERSON CO RWD 7 water receives a grade of B (76/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JEFFERSON CO RWD 7 detected?
2 contaminants were tested in JEFFERSON CO RWD 7's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does JEFFERSON CO RWD 7 have any EPA violations?
Yes, JEFFERSON CO RWD 7 has 8 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, MCL, TT. 2 are health-based violations.
How many people does JEFFERSON CO RWD 7 serve?
JEFFERSON CO RWD 7 serves approximately 1,180 people, Kansas. The system provides water to 1 community: Oskaloosa.
What type of water does JEFFERSON CO RWD 7 provide?
JEFFERSON CO RWD 7 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is KS2008713.
How does JEFFERSON CO RWD 7 compare to other utilities in Kansas?
JEFFERSON CO RWD 7 scores 76/100 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.