PlainWater
Counties → Idaho

Elmore County, Idaho

Water Systems
45
Population Served
26,866
Total Violations
3,868
587 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

97.8%
Systems with Violations
86.0
Avg Violations per System
15.2%
Health-Based Violations

Water Source Types

GW
42 systems (93%)
SW
3 systems (7%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
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

Elmore Idaho water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (44)

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
Mountain Home, City Of 14,651 249 Clean
Mountain Home Air Force Base 7,500 574 Detected
Glenns Ferry City Of 1,282 41 -
Trinity Estates Water Users Assn 250 71 -
Mellen Subd Water Dist 250 232 -
Canyon Creek Mobile Home Park 243 75 -
Summerwind Water Users 192 25 -
Meadows Mobile Park 175 166 -
Sawtooth Estates Water Users 175 65 -
Mountain Home Airbase Lds Church 150 39 -
Blue Sage Subdivision 112 239 -
Featherville Townsite Water Corp 100 123 -
Simplot Livestock Company Grandview 100 62 -
Hamilton Place 97 81 -
Atlanta Water Assn 91 201 -
Splendid Acres Water Assn 91 179 -
Trinity View Resort 90 82 -
King Hill Domestic Water and Sewer 87 128 -
Town and Country Water Users Assn 86 93 -
Pleasant Acres Mobile Home Park 85 95 -
New Horizons Water Inc 85 55 -
Mountain Home Migrant Head Start 78 73 -
Tlk Dairy 75 40 -
Oakleaf Subdivision 71 5 -
Mountain Sage 65 140 -
Hammett Haven Apartments 64 148 -
Danskin Properties Association Inc 52 36 -
Camas Estates Water Users 50 52 -
Key Mart Corner 50 62 -
Desert Winds Chevron 50 33 -
Riverview Subd Water Assn 45 48 -
Paradise Homeowners Assn Inc 43 32 -
Silver Sage Real Property Owners Assn 30 69 -
Pine Resort 26 28 -
Shiok 26 19 -
Bakers Acres Association Inc 25 18 -
McGuires Subd 25 18 -
Nitz' Pine Store 25 9 -
Fall Creek Recreational Retreat 25 24 -
Mountain Home Afb Cj Strike Dam Rec Ctr 25 5 -
South Fork Senior Center 25 0 -
Y-Stop General Store 25 62 -
Cj Strike North Park 25 13 -
Pacific Steel and Recycling #50 25 3 -
Ballantyne Camp Subd 1 24 56 -

Other Counties in Idaho

Ada County
87 systems · 511,181 served · 5,380 violations
Canyon County
143 systems · 214,619 served · 9,692 violations
Kootenai County
195 systems · 178,648 served · 7,546 violations
Bonneville County
135 systems · 138,969 served · 4,633 violations
Bannock County
49 systems · 83,349 served · 2,778 violations
Twin Falls County
54 systems · 76,016 served · 2,851 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Elmore County? ▼
Elmore County has 3,868 total drinking water violations across 45 water systems, of which 587 are health-based violations. 97.8% of systems have at least one violation.
How many people get water from Elmore County systems? ▼
Water systems in Elmore County serve approximately 26,866 people through 45 public water systems.
Has PFAS been detected in Elmore County water? ▼
Of 2 water systems tested for PFAS in Elmore County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Elmore County? ▼
Water systems in Elmore County use GW (42 systems), SW (3 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. 15.2% of Elmore 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.