PlainWater
Counties → Idaho

Jefferson County, Idaho

Water Systems
63
Population Served
19,584
Total Violations
2,465
242 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

96.8%
Systems with Violations
39.1
Avg Violations per System
9.8%
Health-Based Violations

Water Source Types

GW
50 systems (79%)

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

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

No violations on record (2) 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
Rigby City Of 5,400 88 Clean
11 Labelle 3 Rigby 2,3 884 11 -
Labelle Lds Church 813 1 -
Garfield 3rd & 4th Ward Lds-5857596 720 0 -
Menan Lds Stake Center 682 1 -
Roberts City Of 680 75 -
Rigby 11th Ward-5001111 678 0 -
Ririe City Of 656 50 -
Terreton Elementary High Als Schools 640 61 -
Ririe W Lds Church Clark Shelton-5069203 571 3 -
Garfield 1st Ward-5069270 497 1 -
Grant Lds Church 473 16 -
Morning View Water Company 459 44 -
Country Squire Estates 450 6 -
Midway Elementary School 384 32 -
Terreton Lds Stake Center 361 9 -
M and T Water and Sewer Dist 358 42 -
Lewisville Lds Church 337 1 -
Pepperwood Crossing/Rocky Mnt Utilities 336 204 -
Menan Lds Church 266 4 -
Hamer Lds Church 264 12 -
Idaho Pacific Corp 225 26 -
Idahoan Foods Lewisville Plant 200 26 -
Krupp Scout Hollow 200 63 -
Jefferson Greens Estates 193 67 -
Idahoan Foods Lewisville Office &Pckging 170 39 -
Monteview Lds Church 165 4 -
Jeff Hills Golf and Recreation 150 57 -
Kelly Canyon Winter Park LLC 150 63 -
Jefferson County Lake 150 29 -
Sunbrook Estates Div # 2 144 19 -
Rolling Hills Acres 141 287 -
Rigby Produce Hamer Division 125 142 -
Klim 125 164 -
Jenco Acres 105 32 -
Bear Island Water Assn 100 62 -
Heise Hot Springs 100 34 -
Valley Wide Co Op 100 47 -
Elk Meadows 100 24 -
Parkwood Acres Water Company 88 23 -
Rigby Air Village LLC 80 41 -
Challenger Pallet and Supply Inc 60 4 -
Teton House 56 42 -
7N Ranch 56 21 -
Ireland Acres 1 54 60 -
Terreton Pump 2 50 87 -
Sage Junction Port of Entry Itd 50 9 -
Bethel Baptist Church 50 37 -
Camas National Wildlife Refuge 50 7 -
Hillman Trailer Court 45 9 -

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 Jefferson County? ▼
Jefferson County has 2,465 total drinking water violations across 63 water systems, of which 242 are health-based violations. 96.8% of systems have at least one violation.
How many people get water from Jefferson County systems? ▼
Water systems in Jefferson County serve approximately 19,584 people through 63 public water systems.
Has PFAS been detected in Jefferson County water? ▼
Of 1 water systems tested for PFAS in Jefferson County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Jefferson County? ▼
Water systems in Jefferson County use GW (50 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. 9.8% of Jefferson 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.