PlainWater
Counties → Montana

Stillwater County, Montana

Water Systems
31
Population Served
8,417
Total Violations
5,741
617 health-based
PFAS Detected
0
of 0 tested

Violation Analysis

93.5%
Systems with Violations
185.2
Avg Violations per System
10.7%
Health-Based Violations

Water Source Types

GW
30 systems (97%)
SW
1 system (3%)

Compliance Snapshot

Stillwater Montana water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (29)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Columbus Town Of 1,900 188 -
Cenex Zip Trip Num 50 1,500 90 -
Absarokee Water and Sewer Dist 1,100 405 -
Columbus Rest Area Eastbound 800 96 -
Columbus Rest Area Westbound 800 78 -
Stillwater Mining Company 630 53 -
Park City School K 12 300 164 -
Beartooth Christian Camp 205 82 -
Rockin J Inc 150 111 -
Woodbine Cg Lower Well 2 102 42 -
Country Haven Estates Whispering Pines 100 172 -
Lds Church Absarokee 80 51 -
Rapelje Water District 70 560 -
Stillwater Bar and Grille 65 124 -
Cathedral Mountain Ranch 58 85 -
Pops Inn 50 141 -
Eagle Mountain Rural PWS 50 80 -
Mountain Range RV Park 50 22 -
Hilltop Water 50 0 -
Reed Point High School and Gym 46 222 -
Columbus Iga 33 12 -
Beartooth Ranch 30 16 -
Valley Farmers Supply 30 473 -
Tippet Rise LLC 30 0 -
Emerald Lake Campground 30 44 -
Carters Camp Nye 29 110 -
Old West RV Park and Campground 29 61 -
Waterhole Saloon Reedpoint 25 1,265 -
Montasia 25 141 -
Scotsman Bar and Cafe 25 348 -
Sherwood Water Station 25 505 -

Other Counties in Montana

Yellowstone County
116 systems · 168,956 served · 16,006 violations
Gallatin County
207 systems · 147,444 served · 30,683 violations
Missoula County
243 systems · 138,758 served · 31,553 violations
Flathead County
324 systems · 105,538 served · 20,270 violations
Cascade County
98 systems · 96,521 served · 15,613 violations
Lewis and Clark County
162 systems · 67,948 served · 24,270 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Stillwater County? ▼
Stillwater County has 5,741 total drinking water violations across 31 water systems, of which 617 are health-based violations. 93.5% of systems have at least one violation.
How many people get water from Stillwater County systems? ▼
Water systems in Stillwater County serve approximately 8,417 people through 31 public water systems.
Has PFAS been detected in Stillwater County water? ▼
No PFAS testing data is available for water systems in Stillwater County.
What types of water sources supply Stillwater County? ▼
Water systems in Stillwater County use GW (30 systems), SW (1 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 10.7% of Stillwater County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.