B63/100
MARION CO RWD 4 — Water Quality Report 2026
Serving 1,398 people · Kansas
Water Source
Purchased Groundwater
County
—
System ID
KS2011511
Violations
14
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.70 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)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 21, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – January 18, 2023Rule: 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 MARION CO RWD 4
Is MARION CO RWD 4 water safe to drink?
MARION CO RWD 4 water receives a grade of B (63/100), 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 MARION CO RWD 4 detected?
2 contaminants were tested in MARION CO RWD 4's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MARION CO RWD 4 have any EPA violations?
Yes, MARION CO RWD 4 has 14 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, TT. 3 are health-based violations.
How many people does MARION CO RWD 4 serve?
MARION CO RWD 4 serves approximately 1,398 people, Kansas. The system provides water to 1 community: Hillsboro.
What type of water does MARION CO RWD 4 provide?
MARION CO RWD 4 sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is KS2011511.
How does MARION CO RWD 4 compare to other utilities in Kansas?
MARION CO RWD 4 scores 63/100 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.