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Herriman, UT Tap Water Quality 2026

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

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

Main Utility: Herriman City Municipal Water Department PWSID: UTAH18157 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.80 ppb, 25% of the action level and no violations are open. No PFAS was detected.

B

Herriman earns a B for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 3.80 ppb — 25% of the federal action level
PFAS tested, none detected
4 violations since 2015, 1 health-based
No violations currently open
Herriman's lead level vs. all Utah community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.80 ppb — 25% of the federal action level
✓ Lower lead than 22% of Utah utilities
Population Served
55106
~13989 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
4 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
25% of EPA action level
3.80 ppb
Action level: 15 ppb
The 90th-percentile lead result is 3.80 ppb, 25% 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 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2016 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

4 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Herriman City Municipal Water Department
PWSID UTAH18157
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 55,106
Service connections 13,989
Systems serving this area 6
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Herriman tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.80 ppb, 25% of the action level.
Does Herriman water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Herriman? ▼
Herriman City Municipal Water Department (PWSID UTAH18157), one of 6 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2023-07-18. Inspectors recorded 1 significant deficiency.

What Should Herriman Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
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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