F0/100
PAROWAN CITY WATER SYSTEM — Water Quality Report 2026
Serving 3,000 people · Utah
Water Source
Groundwater
County
—
System ID
UTAH11010
Violations
168
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
3
Unresolved
0
Health-Related
TIER 3Resolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 2025 – July 3, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 20, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2024 – November 30, 2024Rule: Total Coliform 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 PAROWAN CITY WATER SYSTEM
Is PAROWAN CITY WATER SYSTEM water safe to drink?
PAROWAN CITY WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 168 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PAROWAN CITY WATER SYSTEM detected?
1 contaminants were tested in PAROWAN CITY WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PAROWAN CITY WATER SYSTEM have any EPA violations?
Yes, PAROWAN CITY WATER SYSTEM has 168 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MR. 1 are health-based violations.
How many people does PAROWAN CITY WATER SYSTEM serve?
PAROWAN CITY WATER SYSTEM serves approximately 3,000 people, Utah.
What type of water does PAROWAN CITY WATER SYSTEM provide?
PAROWAN CITY WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is UTAH11010.
How does PAROWAN CITY WATER SYSTEM compare to other utilities in Utah?
PAROWAN CITY WATER SYSTEM scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Utah state page for a full comparison of water systems.