F0/100
ATCHISON, CITY OF — Water Quality Report 2026
Serving 10,694 people · Kansas
Water Source
Surface Water
County
—
System ID
KS2000506
Violations
60
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 310.00 µg/L | — | Above Goal |
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 15, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – August 24, 2023Enforcement: 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 ATCHISON, CITY OF
Is ATCHISON, CITY OF water safe to drink?
ATCHISON, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 60 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ATCHISON, CITY OF detected?
69 contaminants were tested in ATCHISON, CITY OF's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does ATCHISON, CITY OF have any EPA violations?
Yes, ATCHISON, CITY OF has 60 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, TT. 42 are health-based violations.
How many people does ATCHISON, CITY OF serve?
ATCHISON, CITY OF serves approximately 10,694 people, Kansas. The system provides water to 1 community: Atchison.
What type of water does ATCHISON, CITY OF provide?
ATCHISON, CITY OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is KS2000506.
How does ATCHISON, CITY OF compare to other utilities in Kansas?
ATCHISON, CITY OF 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.