Is Bozeman, MT tap water safe?

Data: U.S. EPA · How we read the data · How we check it

No federal limits exceeded in EPA data for City of Bozeman.

32 public water systems serve parts of Bozeman. The largest, City of Bozeman, serves 56,000 people. Your water bill names your system.

Largest system

City of Bozeman

56,000 people · Surface water · EPA ID MT0000161

PFAS	Highest average	Limit	Status
PFOA Not detected	–	4 ppt	Not detected
PFOS Not detected	–	4 ppt	Not detected
PFHxS Not detected	–	10 ppt	Not detected
PFNA Not detected	–	10 ppt	Not detected
HFPO-DA (GenX) Not detected	–	10 ppt	Not detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 1.6 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Full City of Bozeman results

Across Montana, 0 of 40 water systems EPA tested had PFAS above a 2024 federal limit, and 6 systems were above the lead action level in results from the last five years. Montana results.

Bozeman homes and lead pipes

32%

of homes built before 1980 (Montana 49%, US 50%)

12%

built before 1950 (Montana 17%)

55%

of households rent (Montana 31%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Bozeman city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Bozeman

North Star Zoot Water
4,323 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Rae Water and Sewer District 313
2,325 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Valley Grove Subdivision
825 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Landmark Subdivision
750 people · Purchased groundwater · Montana · lists this city
Not in EPA's PFAS sample
Elk Grove Water
672 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Genesis Business Park Water System
670 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample

25 more systems

Covered Wagon Mb Hm Park Water System
500 people · Purchased surface water · Montana · lists this city
Not in EPA's PFAS sample
Baxter Creek No 2 HOA
450 people · Groundwater · Montana · lists this city
Coliform bacteria violation
Riverside Water and Sewer District
344 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Mountain Meadows Estates Llp Water System
300 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Forest Park Tr Ct No 1 Bozeman Water System
260 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Spirit Hills Subdivision
230 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Hidden Valley Owner LLC
200 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Star Mobile Home Park Water System
190 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Cobblestone Subdivision
150 people · Purchased groundwater · Montana · lists this city
Not in EPA's PFAS sample
Lazy J South Subdivision
122 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Mt Ellis Academy Water System
106 people · Groundwater · Montana · lists this city
Coliform bacteria violations
Gallatin Village Mob Hm Park Water System
100 people · Purchased surface water · Montana · lists this city
Not in EPA's PFAS sample
Mystic Heights HOA Bozeman
96 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Springhill Park Subdivision
90 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Bridger Base Water System
75 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Ponderosa Mb Home Subdivision
70 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Bridger Pines County Water & Sewer District
58 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Franklin Hills Subdivision
50 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Forest Creek Subdivision
45 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Home 40 Public Water Supply
45 people · Groundwater under influence of surface water · Montana · lists this city
Coliform bacteria violation
Gallatin River Apartments Water System
40 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Rocky Creek Tr Court Water System
35 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Bmp Lincoln Rentals LLC
31 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Country Court Gallatin Water System
30 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample
Hardin Subdivision
28 people · Groundwater · Montana · lists this city
Not in EPA's PFAS sample

How nearby cities compare

City	Main water system	PFAS	Lead (90th pct.)
Helena 78 mi Helena Water System	Helena Water System	None above limits	3 ppb
Butte 79 mi Butte Silverbow Water Dept	Butte Silverbow Water Dept	None above limits	2 ppb
Billings 121 mi City of Billings	City of Billings	None above limits	3 ppb
Great Falls 126 mi City of Great Falls	City of Great Falls	None above limits	12 ppb
Missoula 165 mi Missoula Water	Missoula Water	None above limits	2 ppb
Kalispell 235 mi Kalispell Public Works	Kalispell Public Works	None above limits	2 ppb

Bozeman ZIP codes (1)

59715

Questions

Is Bozeman tap water safe to drink?

City of Bozeman has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Bozeman, MT?

32 public water systems serve parts of Bozeman. The largest is City of Bozeman (56,000 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Bozeman tap water have PFAS?

None detected above EPA's reporting limits. City of Bozeman had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Bozeman homes have lead pipes?

Census estimates put 32% of Bozeman homes as built before 1980 (Montana: 49%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Bozeman's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.