F0/100
JEFFERSON CO RWD 1 — Water Quality Report 2026
Serving 2,343 people · Kansas
Water Source
Groundwater
County
—
System ID
KS2008706
Violations
35
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.50 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)
0
Unresolved
0
Health-Related
TIER 3Resolved
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: October 1, 2021 – September 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
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: October 1, 2021 – September 30, 2022Rule: Stage 2 DBPREnforcement: 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 JEFFERSON CO RWD 1
Is JEFFERSON CO RWD 1 water safe to drink?
JEFFERSON CO RWD 1 water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 35 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has JEFFERSON CO RWD 1 detected?
2 contaminants were tested in JEFFERSON CO RWD 1's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does JEFFERSON CO RWD 1 have any EPA violations?
Yes, JEFFERSON CO RWD 1 has 35 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MON. 14 are health-based violations.
How many people does JEFFERSON CO RWD 1 serve?
JEFFERSON CO RWD 1 serves approximately 2,343 people, Kansas. The system provides water to 1 community: Meriden.
What type of water does JEFFERSON CO RWD 1 provide?
JEFFERSON CO RWD 1 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is KS2008706.
How does JEFFERSON CO RWD 1 compare to other utilities in Kansas?
JEFFERSON CO RWD 1 scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Kansas state page for a full comparison of water systems.