D38/100
TROY PWS — Water Quality Report 2026
Serving 12,500 people · Missouri
Water Source
Groundwater
County
—
System ID
MO6010798
Violations
15
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2012.
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 TROY PWS
Is TROY PWS water safe to drink?
TROY PWS water receives a grade of D (38/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 15 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TROY PWS detected?
51 contaminants were tested in TROY PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TROY PWS have any EPA violations?
Yes, TROY PWS has 15 EPA violation(s) on record, with the most recent in 2012. Violation types include MCL, MR, Other. 11 are health-based violations.
How many people does TROY PWS serve?
TROY PWS serves approximately 12,500 people, Missouri. The system provides water to 1 community: Troy.
What type of water does TROY PWS provide?
TROY PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO6010798.
How does TROY PWS compare to other utilities in Missouri?
TROY PWS scores 38/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Missouri state page for a full comparison of water systems.