C53/100
AVA PWS — Water Quality Report 2026
Serving 3,000 people · Missouri
Water Source
Groundwater
County
—
System ID
MO5010040
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2024 – June 30, 2024Enforcement: 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 AVA PWS
Is AVA PWS water safe to drink?
AVA PWS water receives a grade of C (53/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has AVA PWS detected?
1 contaminants were tested in AVA PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does AVA PWS have any EPA violations?
Yes, AVA PWS has 12 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, TT. 8 are health-based violations.
How many people does AVA PWS serve?
AVA PWS serves approximately 3,000 people, Missouri. The system provides water to 1 community: Ava.
What type of water does AVA PWS provide?
AVA PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO5010040.
How does AVA PWS compare to other utilities in Missouri?
AVA PWS scores 53/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Missouri state page for a full comparison of water systems.