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Parowan, UT Tap Water Quality 2026

Water quality report for Parowan, UT — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Parowan's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Parowan City Water System PWSID: UTAH11010 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 6.70 ppb, 45% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Parowan earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 6.70 ppb — 45% of the federal action level
PFAS never sampled at this system
20 violations since 2015, 0 health-based
No violations currently open
Parowan's lead level vs. all Utah community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 6.70 ppb — 45% of the federal action level
✓ Lower lead than 8% of Utah utilities
Population Served
2988
~1653 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
20 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
45% of EPA action level
6.70 ppb
Action level: 15 ppb
The 90th-percentile lead result is 6.70 ppb, 45% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2025 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
Radium-226 MONITORING AND REPORTING — — 2018 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017 Resolved
Radium-226 MONITORING AND REPORTING — — 2017 Resolved
Radium-228 MONITORING AND REPORTING — — 2017 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017 Resolved
Radium-226 MONITORING AND REPORTING — — 2017 Resolved
Radium-228 MONITORING AND REPORTING — — 2017 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017 Resolved
Radium-226 MONITORING AND REPORTING — — 2017 Resolved
Radium-228 MONITORING AND REPORTING — — 2017 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2017 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

20 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Parowan City Water System
PWSID UTAH11010
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 2,988
Service connections 1,653
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Parowan tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 6.70 ppb, 45% of the action level.
Does Parowan water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Parowan? ▼
Parowan City Water System (PWSID UTAH11010). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-08-19. Inspectors recorded 2 significant deficiencies.

What Should Parowan Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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