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Loretto, TN Tap Water Quality 2026

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

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

Main Utility: Loretto Water Department PWSID: TN0000408 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Loretto earns a B for water quality

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

Lead: 1.00 ppb — 7% of the federal action level
PFAS sampled, too few results to judge
9 violations since 2015, 1 health-based
No violations currently open
Loretto's lead level vs. all Tennessee community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 80% of Tennessee utilities
Population Served
1739
~1781 connections
Water Source
Surface water
Groundwater under the direct influence of surface water — SDWIS source code GU
Active Violations
0
9 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.00 ppb, 7% 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 — — 2020 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2016 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2016 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2016 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2016 Resolved
LASSO MONITORING AND REPORTING — — 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

9 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 Loretto Water Department
PWSID TN0000408
Water source Surface water — Groundwater under the direct influence of surface water — SDWIS source code GU
Population served 1,739
Service connections 1,781
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Loretto tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does Loretto water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Loretto? ▼
Loretto Water Department (PWSID TN0000408). Surface water. Groundwater under the direct influence of surface water — SDWIS source code GU
When was this system last inspected? ▼
It was last inspected on 2026-02-13. Inspectors recorded 1 significant deficiency.

What Should Loretto 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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