Jackson, MT Tap Water Quality 2026

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

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

Main Utility: Beaverhead Jackson Water And Sewer Dist PWSID: MT0002590 Updated: 2026 Q2

✅

No federal limits exceeded on record

Lead is 7.00 ppb, 47% of the action level and no violations are open. PFAS has never been sampled at this system.

Jackson earns a B for water quality

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

Lead: 7.00 ppb — 47% of the federal action level

PFAS never sampled at this system

95 violations since 2015, 30 health-based

No violations currently open

Jackson's lead level vs. all Montana community water systems

0 ppb5 ppb10 ppb15 ppb

Lead level: 7.00 ppb — 47% of the federal action level

✓ Lower lead than 12% of Montana utilities

Population Served

~29 connections

Water Source

Groundwater

Drawn from wells — SDWIS source code GW

Active Violations

95 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

47% of EPA action level

7.00 ppb

Action level: 15 ppb

The 90th-percentile lead result is 7.00 ppb, 47% 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)

Contaminant	Type	Measured	Limit	Period	Status
Nitrate-Nitrite	MONITORING AND REPORTING	—	—	2025	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2025	Resolved
Consumer Confidence Rule	OTHER	—	—	2021	Resolved
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2021	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2021	Resolved
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2020	Resolved
1,2,4-Trichlorobenzene	MONITORING AND REPORTING	—	0.07 mg/L	2020	Resolved
cis-1,2-Dichloroethylene	MONITORING AND REPORTING	—	0.07 mg/L	2020	Resolved
Xylenes, Total	MONITORING AND REPORTING	—	10 mg/L	2020	Resolved
DICHLOROMETHANE	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
o-Dichlorobenzene	MONITORING AND REPORTING	—	0.6 mg/L	2020	Resolved
p-Dichlorobenzene	MONITORING AND REPORTING	—	0.075 mg/L	2020	Resolved
Vinyl chloride	MONITORING AND REPORTING	—	0.002 mg/L	2020	Resolved
1,1-Dichloroethylene	MONITORING AND REPORTING	—	0.007 mg/L	2020	Resolved
trans-1,2-Dichloroethylene	MONITORING AND REPORTING	—	0.1 mg/L	2020	Resolved
1,2-Dichloroethane	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
1,1,1-Trichloroethane	MONITORING AND REPORTING	—	0.2 mg/L	2020	Resolved
Carbon tetrachloride	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
1,2-Dichloropropane	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
Trichloroethylene	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
1,1,2-Trichloroethane	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
Tetrachloroethylene	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
CHLOROBENZENE	MONITORING AND REPORTING	—	0.1 mg/L	2020	Resolved
Benzene	MONITORING AND REPORTING	—	0.005 mg/L	2020	Resolved
Toluene	MONITORING AND REPORTING	—	1 mg/L	2020	Resolved
Ethylbenzene	MONITORING AND REPORTING	—	0.7 mg/L	2020	Resolved
Styrene	MONITORING AND REPORTING	—	0.1 mg/L	2020	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2020–2022	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2020–2022	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2020–2022	Resolved
Fluoride	MONITORING AND REPORTING	—	4.0 mg/L	2020–2022	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2020–2022	Resolved
Nickel	MONITORING AND REPORTING	—	—	2020–2022	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2020–2022	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2020–2022	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2020–2022	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2020–2022	Resolved
Arsenic	MCL EXCEEDANCE	0.041 MG/L	0.010 mg/L	2019	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	7.2 PCI/L	5 pCi/L	2019	Resolved
Arsenic	MCL EXCEEDANCE	0.051 MG/L	0.010 mg/L	2019	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	7.5 PCI/L	5 pCi/L	2019	Resolved
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2019	Resolved
Arsenic	MCL EXCEEDANCE	0.053 MG/L	0.010 mg/L	2019	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	7.6 PCI/L	5 pCi/L	2019	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	8.5 PCI/L	5 pCi/L	2018	Resolved
Arsenic	MCL EXCEEDANCE	0.052 MG/L	0.010 mg/L	2018	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	6.4 PCI/L	5 pCi/L	2018	Resolved
Arsenic	MCL EXCEEDANCE	0.049 MG/L	0.010 mg/L	2018	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	13.2 PCI/L	5 pCi/L	2018	Resolved
Arsenic	MCL EXCEEDANCE	0.051 MG/L	0.010 mg/L	2018	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	11 PCI/L	5 pCi/L	2018	Resolved
Arsenic	MCL EXCEEDANCE	0.043 MG/L	0.010 mg/L	2017	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	7.1 PCI/L	5 pCi/L	2017	Resolved
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2017	Archived
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2017	Archived
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2017	Archived
Arsenic	MCL EXCEEDANCE	0.0475 MG/L	0.010 mg/L	2017	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	7.6 PCI/L	5 pCi/L	2017	Resolved
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2017	Archived
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2017	Archived
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2017	Archived
Arsenic	MCL EXCEEDANCE	0.0453 MG/L	0.010 mg/L	2017	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	7.6 PCI/L	5 pCi/L	2017	Resolved
Arsenic	MCL EXCEEDANCE	49.6 UG/L	0.010 mg/L	2017	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	5.47 PCI/L	5 pCi/L	2017	Resolved
Consumer Confidence Rule	OTHER	—	—	2016	Addressed
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2016	Addressed
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2016	Archived
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2016	Archived
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2016	Archived
Consumer Confidence Rule	OTHER	—	—	2016	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2016	Archived
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2016	Archived
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.05 MG/L	0.010 mg/L	2016	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	5.1 PCI/L	5 pCi/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.051 MG/L	0.010 mg/L	2016	Resolved
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2016	Archived
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2016	Archived
Combined Radium (-226 and -228)	MCL EXCEEDANCE	5.16 PCI/L	5 pCi/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.043 MG/L	0.010 mg/L	2016	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	6.2 PCI/L	5 pCi/L	2016	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2015	Archived
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2015	Archived
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2015	Archived
Consumer Confidence Rule	OTHER	—	—	2015	Addressed
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2015	Archived
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2015	Archived
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2015	Archived
Arsenic	MCL EXCEEDANCE	0.53 MG/L	0.010 mg/L	2015	Resolved
Combined Radium (-226 and -228)	MCL EXCEEDANCE	5.1 PCI/L	5 pCi/L	2015	Resolved
Combined Radium (-226 and -228)	MONITORING AND REPORTING	—	5 pCi/L	2015	Archived
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2015	Resolved
Gross Alpha, Excl. Radon and U	MONITORING AND REPORTING	—	15 pCi/L	2015	Resolved
Arsenic	MCL EXCEEDANCE	0.05 MG/L	0.010 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

95 violations are on record since 2015, of which 30 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Beaverhead Jackson Water And Sewer Dist

PWSID MT0002590

Water source Groundwater — Drawn from wells — SDWIS source code GW

Population served 36

Service connections 29

Systems serving this area 1

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Jackson tap water safe to drink? ▼

No federal limit is exceeded on record. No violations are currently open. Lead is 7.00 ppb, 47% of the action level.

Does Jackson 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 Jackson? ▼

Beaverhead Jackson Water And Sewer Dist (PWSID MT0002590). Groundwater. Drawn from wells — SDWIS source code GW

When was this system last inspected? ▼

It was last inspected on 2025-07-24. No significant deficiencies were recorded.

What Should Jackson Residents Do?

Consider a filter certified for lead

Look for NSF/ANSI 53 certification for lead reduction.

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.

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 Montana

Dillon, Mt Tap Water Quality 2026 Beaverhead Lima, Mt Tap Water Quality 2026 Beaverhead Dell, Mt Tap Water Quality 2026 Beaverhead