How many water violations are in Bonneville County?

Bonneville County has 4,633 total drinking water violations across 135 water systems, of which 581 are health-based violations. 95.6% of systems have at least one violation.

How many people get water from Bonneville County systems?

Water systems in Bonneville County serve approximately 138,969 people through 135 public water systems.

Has PFAS been detected in Bonneville County water?

Under EPA UCMR5, 0 of 3 tested systems in Bonneville County had at least one PFAS detection (0.0% of the UCMR5-tested subset - not of all 135 SDWIS systems).

What types of water sources supply Bonneville County?

Water systems in Bonneville County use GW (135 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. 12.5% of Bonneville County's violations are health-based. Among counties with any SDWIS violations, this extract puts Bonneville County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Where does Bonneville County sit among U.S. counties for water-system population?

According to EPA SDWIS county population served used on /counties, Bonneville County ranks #445 of 3,254 counties by people served, and #4 of 44 counties in Idaho. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Idaho

Bonneville County, Idaho

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet ID019 · Bonneville County 135 sys · 4,633 viol · #445/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-LARGE · BOOK-FULL

VIOL-SEVERE 95.6% flagged
HEALTH-LOW 12.5% health
RANK-TOP #445/3254
PHOTO-FINISH ±0.1 pp
PFAS-CLEAN 0.0% detect
SRC-GW GW lead 100%
SYS-LARGE 135 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Blaine County (+ 0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Bonneville County ranks #445 of 3,254 counties by people served, and #4 of 44 counties in Idaho. See methodology · corpus placement.

Bonneville County standing, mid-flagged corpus third

Flagged-system rate 95.6% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 12.5% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #445 of 3,254 · #4 of 44 in Idaho.

Water Systems

System Name	Population	Violations	PFAS
Idaho Falls City Of	69,450	144	Clean
Falls Water Company Inc	22,650	196	Clean
Ammon City Of	17,338	418	Clean
Iona Water Dept	2,717	33	-
Comore Loma	1,500	75	-
Melaleuca Warehouse Facility	1,397	32	-
Bonneville High School	1,354	9	-
Ucon City Of	1,161	57	-
Sandy Downs Rodeo Grounds and Race Track	1,000	17	-
Lds Church - Central Ave	851	7	-
Rocky Mountain Middle School	813	23	-
Iona Lds Stakehouse-5005990	727	5	-
Ucon Lds Stake House-5144612	685	6	-
3D Water Association	680	12	-
Taylor Mountain Water and Sewer District	600	109	-
Lds Church Osgood Bldg	582	1	-
Lds Church - Shadow Mtn	581	4	-
Noise Park Idaho Falls	500	26	-
Christ Community Church	500	7	-
Lds Church Charlotte Bldg	497	0	-
American Heritage Charter School	490	2	-
Lds Church St Leon Bldg-5278333	475	0	-
5th West Meetinghouse Lds Church	471	12	-
Pinewood Estates	450	88	-
Lds Church Coltman Bldg-5047005	442	7	-
Milo 1st and 2nd Ward Lds Church-5069327	413	0	-
J and K Water Corp	370	196	-
Fairview North	350	13	-
Little Lemhi Boy Scout Camp	300	25	-
Yellowstone Chevron	300	24	-
Usfs Big Elk Creek Campground	300	6	-
Usfs Calamity Campground	300	21	-
Bonneville High School Lds Sem-5164362	300	30	-
Blackhawk Estates/Iron Rim	270	10	-
Palisades Lds Church-5069335	251	11	-
Country Life Estates	250	108	-
Usfs Falls Campground and Group Area	250	6	-
Riverbend Meats	242	22	-
Idahoan Foods Idaho Falls Plant	200	31	-
Usfs Blow Out Canyon Boat Ramp	200	20	-
Clark Hill Rest Area Itd	200	21	-
Blm Byington Recreation Site	200	8	-
Blm Conant Boat Access	200	8	-
Riverside Park Campground	200	41	-
Gem Lake Water System	200	30	-
Panorama Hills Water Company	175	72	-
Yellowstone Plastics	165	1	-
West Pine Creek Rec Center-5112222	150	11	-
Sunset Trailer Ranch	150	172	-
Telford Park	150	45	-

Compare beyond Idaho

Mid-flagged peers for Bonneville County

Cross-state counties nearest Bonneville County on flagged-system share (95.6%) and cumulative violation count (4,633). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - 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

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

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.