A88/100
ORONOGO PWS — Water Quality Report 2026
Serving 2,719 people · Missouri
Water Source
Groundwater
County
—
System ID
MO5010606
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2023 – April 10, 2024Rule: 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 ORONOGO PWS
Is ORONOGO PWS water safe to drink?
ORONOGO PWS water receives a grade of A (88/100), 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 ORONOGO PWS detected?
1 contaminants were tested in ORONOGO PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ORONOGO PWS have any EPA violations?
Yes, ORONOGO PWS has 5 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does ORONOGO PWS serve?
ORONOGO PWS serves approximately 2,719 people, Missouri. The system provides water to 1 community: Oronogo.
What type of water does ORONOGO PWS provide?
ORONOGO PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO5010606.
How does ORONOGO PWS compare to other utilities in Missouri?
ORONOGO PWS scores 88/100 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.