States ›Texas ›Hill County ›Mount Calm

Mount Calm, TX Tap Water Quality 2026

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

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

Main Utility: City Of Mount Calm PWSID: TX1090005 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Mount Calm earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
31 violations since 2015, 0 health-based
No violations currently open
Mount Calm's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Texas utilities
Population Served
279
~158 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
31 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Public Notice OTHER — — 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2025 Resolved
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2024 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Unaddressed
Consumer Confidence Rule OTHER — — 2022 Resolved
Public Notice OTHER — — 2022 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2021 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2019–2021 Archived
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2019–2021 Archived
Barium MONITORING AND REPORTING — 2 mg/L 2019–2021 Archived
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2019–2021 Archived
Chromium MONITORING AND REPORTING — 0.1 mg/L 2019–2021 Archived
Mercury MONITORING AND REPORTING — 0.002 mg/L 2019–2021 Archived
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2019–2021 Archived
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2019–2021 Archived
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2019–2021 Archived
Selenium MONITORING AND REPORTING — 0.05 mg/L 2019–2021 Archived
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017–2019 Archived
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2017–2019 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2017–2019 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 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

31 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 City Of Mount Calm
PWSID TX1090005
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 279
Service connections 158
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mount Calm tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Mount Calm 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 Mount Calm? ▼
City Of Mount Calm (PWSID TX1090005), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-05-29. No significant deficiencies were recorded.

What Should Mount Calm 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.

Nearby Cities in Texas

Hillsboro, Tx Tap Water Quality 2026 Hill Whitney, Tx Tap Water Quality 2026 Hill Itasca, Tx Tap Water Quality 2026 Hill Hubbard, Tx Tap Water Quality 2026 Hill Blum, Tx Tap Water Quality 2026 Hill Abbott, Tx Tap Water Quality 2026 Hill