How many water violations are in Salt Lake County?

Salt Lake County has 13,678 total drinking water violations across 77 water systems, of which 576 are health-based violations. 98.7% of systems have at least one violation.

How many people get water from Salt Lake County systems?

Water systems in Salt Lake County serve approximately 1,463,023 people through 77 public water systems.

Has PFAS been detected in Salt Lake County water?

Under EPA UCMR5, 5 of 23 tested systems in Salt Lake County had at least one PFAS detection (21.7% of the UCMR5-tested subset - not of all 77 SDWIS systems).

What types of water sources supply Salt Lake County?

Water systems in Salt Lake County use GW (48 systems), SW (29 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. 4.2% of Salt Lake County's violations are health-based. Among counties with any SDWIS violations, this extract puts Salt Lake County in the lower health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

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

According to EPA SDWIS county population served used on /counties, Salt Lake County ranks #33 of 3,254 counties by people served, and #1 of 29 counties in Utah. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Utah

Salt Lake County, Utah

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet UT035 · Salt Lake County 77 sys · 13,678 viol · #33/3254

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

VIOL-SEVERE 98.7% flagged
HEALTH-LOW 4.2% health
RANK-TOP #33/3254
PHOTO-FINISH ±0.6 pp
PFAS-LOW 21.7% detect
SRC-GW GW lead 62%
SYS-MID 77 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Garfield County ( -0.6 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Salt Lake County ranks #33 of 3,254 counties by people served, and #1 of 29 counties in Utah. See methodology · corpus placement.

Salt Lake County standing, mid-flagged corpus third

Flagged-system rate 98.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 21.7% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #33 of 3,254 · #1 of 29 in Utah.

Water Systems

System Name	Population	Violations	PFAS
Salt Lake City Water System	381,174	222	Detected
Granger-Hunter Improvement District	121,083	85	Clean
West Jordan City Water System	117,025	295	Detected
Sandy City Water System	99,750	694	Clean
Jordan Valley Wcd	99,335	44	Clean
South Jordan City	87,356	83	Clean
Taylorsville-Bennion ID	67,098	637	Clean
Herriman City Municipal Water Department	60,000	1,210	Detected
University of Utah	57,080	48	Clean
Kearns Improvement District	56,700	196	Clean
Riverton City Water System	45,600	694	Clean
Murray City Water System	38,723	208	Detected
Waterpro Inc	33,100	460	Clean
Midvale City Water System	33,005	834	Clean
Magna Water District	32,100	234	Clean
South Salt Lake City Water System	23,600	506	Detected
Draper City Water System	23,205	65	Clean
Bluffdale Water System	20,000	115	Clean
White City Wid	15,800	502	Clean
Holliday Water Company	15,000	1,132	Clean
Alta Town Water System	5,228	140	Clean
Sl County Service Area No 3 - Snowbird	5,110	37	Clean
Uscf - Slc	3,100	2	-
Summit Vista Water Company	3,000	14	-
VA Medical Center Slc	2,798	109	Clean
Hexcel Inc	1,818	58	-
Kennecott - Section 21	1,302	84	-
Emigration Improvement District	1,000	491	-
Copperton Improvement District	990	187	-
Camp Williams	800	926	-
Kennecott - Utah Metals Tunnel	740	29	-
HI-Country Number 2	722	154	-
Alfs Inn	600	51	-
Spruces Campground	590	33	-
Ruths Diner	530	34	-
Silver Lake Company	522	134	-
Cottonwood Club	490	69	-
Chevron Products Company	480	13	-
Salt Lake City Utah Air National Guard	375	0	-
HI-Country Estates #1	373	135	-
Camp Tracy	350	94	-
Cottonwood Coves Inc	350	52	-
Mountain Dell Cafe and Golf Course	340	89	-
Watson Shelter Water System	340	48	-
Silver Fork Pipeline Corp	300	36	-
Kennecott - Lark	280	12	-
Muirhouse Homeowners Association	280	6	-
Brighton Lds Summer Camp	254	112	-
Webb Well Water Users	250	198	-
Utah Data Center	250	45	-

Compare beyond Utah

Mid-flagged peers for Salt Lake County

Cross-state counties nearest Salt Lake County on flagged-system share (98.7%) and cumulative violation count (13,678). 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.