PlainWater
Counties → Montana

Beaverhead County, Montana

Water Systems
48
Population Served
9,494
Total Violations
6,629
811 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

100.0%
Systems with Violations
138.1
Avg Violations per System
12.2%
Health-Based Violations

Water Source Types

GW
47 systems (98%)
SW
1 system (2%)

PFAS Contamination

1
Systems Tested
1
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

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

No violations on record (0) One or more violations (48)

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
Dillon City Of 4,300 16 Clean
Town Pump Dillon 2 924 74 -
Bannack St Park Visitor Center 410 13 -
Maverick Mountain Resort LLC 340 82 -
Keller Subdivision No 2 HOA 300 57 -
Hildreth Subdivision No 2 300 267 -
Lima Town Of 279 176 -
Big Hole National Battlefield 214 32 -
Fetty's LLC 211 234 -
Wise River Club 208 132 -
Beaverhead River RV Park & Campground 200 32 -
Hildreth Subdivision No 3 128 146 -
Country Side RV Park 108 57 -
Lewis and Clark Campground 90 80 -
Birch Creek Outdoor Ed Center 90 46 -
Bannack State Park Upper Cg 82 15 -
H Bar J Saloon and Cafe 75 274 -
Western Mobile Village Dillon 75 648 -
Skyline Tr CT and RV Park 75 893 -
Clarks Lookout 62 281 -
Beaverhead Jackson Water and Sewer Dist 58 1,241 -
Antler Saloon 54 403 -
Price Creek Campground 52 32 -
Grasshopper Campground 52 68 -
Divide Campground Blm 50 34 -
Wise River Ranger Station 49 95 -
Bee Hive Homes of Dillon 47 158 -
Elkhorn Hotsprings Resort LLC 45 189 -
Crystal Park 45 28 -
Southside RV Park Well No 1 40 20 -
Elevation Newco, LLC 40 188 -
Southside RV Park Well No 2 40 16 -
Wisdom Ranger Station Office 40 84 -
Elk Lake Resort 38 50 -
Kingdom Hall of Jehovahs Witnesses 35 39 -
Buffalo Lodge Bar 30 56 -
Twin Lakes Campground 30 51 -
The Dewey Bar 28 89 -
Beaverhead Campground South 25 43 -
Beaverhead Campground North 25 21 -
Beaverhead Campground Middle 25 21 -
Hap Hawkins Campground 25 6 -
Cameahwait Campground East 25 23 -
Lone Tree Campground 25 23 -
Horse Prairie Campground East 25 33 -
Horse Prairie Campground West 25 34 -
Safeway No 1581 25 2 -
Barretts Diversion Dam Cg South 25 27 -

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 Beaverhead County? ▼
Beaverhead County has 6,629 total drinking water violations across 48 water systems, of which 811 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Beaverhead County systems? ▼
Water systems in Beaverhead County serve approximately 9,494 people through 48 public water systems.
Has PFAS been detected in Beaverhead County water? ▼
Of 1 water systems tested for PFAS in Beaverhead County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Beaverhead County? ▼
Water systems in Beaverhead County use GW (47 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. 12.2% of Beaverhead 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.