B79/100
PLATTE CO PWSD 9 — Water Quality Report 2026
Serving 1,860 people · Missouri
Water Source
Purchased Surface Water
County
—
System ID
MO1024483
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
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 – September 12, 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 PLATTE CO PWSD 9
Is PLATTE CO PWSD 9 water safe to drink?
PLATTE CO PWSD 9 water receives a grade of B (79/100), which is considered good. 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 PLATTE CO PWSD 9 detected?
1 contaminants were tested in PLATTE CO PWSD 9's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PLATTE CO PWSD 9 have any EPA violations?
Yes, PLATTE CO PWSD 9 has 14 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does PLATTE CO PWSD 9 serve?
PLATTE CO PWSD 9 serves approximately 1,860 people, Missouri. The system provides water to 1 community: Dearborn.
What type of water does PLATTE CO PWSD 9 provide?
PLATTE CO PWSD 9 sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MO1024483.
How does PLATTE CO PWSD 9 compare to other utilities in Missouri?
PLATTE CO PWSD 9 scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Missouri state page for a full comparison of water systems.