A91/100
CHAFFEE PWS — Water Quality Report 2026
Serving 3,054 people · Missouri
Water Source
Groundwater
County
—
System ID
MO4010154
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – May 15, 2025Enforcement: Resolving — corrective action underway
TIER 3Unresolved
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – January 31, 2024Rule: Consumer Confidence RuleEnforcement: 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 CHAFFEE PWS
Is CHAFFEE PWS water safe to drink?
CHAFFEE PWS water receives a grade of A (91/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CHAFFEE PWS detected?
1 contaminants were tested in CHAFFEE PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHAFFEE PWS have any EPA violations?
Yes, CHAFFEE PWS has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does CHAFFEE PWS serve?
CHAFFEE PWS serves approximately 3,054 people, Missouri. The system provides water to 1 community: Chaffee.
What type of water does CHAFFEE PWS provide?
CHAFFEE PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO4010154.
How does CHAFFEE PWS compare to other utilities in Missouri?
CHAFFEE PWS scores 91/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Missouri state page for a full comparison of water systems.