PlainWater
Counties → Montana

Hill County, Montana

Water Systems
16
Population Served
14,962
Total Violations
2,905
833 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

100.0%
Systems with Violations
181.6
Avg Violations per System
28.7%
Health-Based Violations

Water Source Types

SW
8 systems (50%)
GW
8 systems (50%)

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

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

No violations on record (0) One or more violations (16)

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
Havre City Of 9,921 76 Clean
Msu Northern 1,937 10 -
Hill County Water Districts 1,720 380 -
Box Elder School District 13G 500 513 -
Beaver Creek Golf Course 128 164 -
East End Colony Inc 100 83 -
North Havre County Water Dist 90 886 -
Ncmrwa North Havre Cwd Leg 90 17 -
Hidden Valley Colony 80 156 -
Hilldale Colony 79 155 -
Kiwanis Camp Beaver Cr Park 77 58 -
Cool Spring Colony 75 14 -
Gildford Colony 70 281 -
Stokes Market Havre 45 55 -
Aquatana 25 14 -
Primo Refill Wal-Mart No 4247 25 43 -

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 Hill County? ▼
Hill County has 2,905 total drinking water violations across 16 water systems, of which 833 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Hill County systems? ▼
Water systems in Hill County serve approximately 14,962 people through 16 public water systems.
Has PFAS been detected in Hill County water? ▼
Of 1 water systems tested for PFAS in Hill County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Hill County? ▼
Water systems in Hill County use SW (8 systems), GW (8 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. 28.7% of Hill 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.