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Counties → Utah

Summit County, Utah

SDWIS compliance plate

Sheet UT043 · Summit County 78 sys · 9,896 viol · #958/3254

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

  • VIOL-SEVERE 97.4% flagged
  • HEALTH-LOW 10.9% health
  • RANK-UPPER #958/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 87%
  • SYS-MID 78 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Utah County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Summit County ranks #958 of 3,254 counties by people served, and #11 of 29 counties in Utah. See methodology · corpus placement.

Summit County standing, mid-flagged corpus third

Flagged-system rate 97.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #958 of 3,254 · #11 of 29 in Utah.

Flagged-rate neighbourhood around Summit County

Lowest/highest poles plus in-state counties nearest Summit County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Grand · lowest Tooele · near Utah · near Piute · highest 85.7% 96.7% 97.1% 97.4% 97.6% 98.1% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Park City Water System 8,875 62 Detected
Mountain Regional Water Ssd 8,245 984 Detected
Summit Water Distribution Company 6,000 131 Clean
Gorgoza Mutual Water Co 4,305 526 Clean
Kamas City Water System 2,200 237 -
Oakley Town Water System 1,800 324 -
Francis Town Water System 1,700 129 -
Coalville City Water System 1,590 271 -
Pine Meadow Mutual Water 1,251 239 -
Henefer Town Water System 882 77 -
High Valley Water Co 850 260 -
Summit County Service Area #3 600 135 -
Rockport State Park 519 14 -
Brighton Meadows Lds Girls Camp 500 35 -
Bridger Lake Campgrounds 461 73 -
Uintalands Association 450 26 -
Hoytsville Pipe Water Co 440 316 -
Cool Springs Mutual Water 434 28 -
Lake Rockport Estates 411 419 -
Marion Waterworks Co 380 217 -
Escape RV Resorts - Knotty Pine 354 88 -
Millcreek Pines Camp 352 2 -
Pine Mountain Mutual 328 26 -
Wanship Mutual Water Co 325 150 -
Camp Aerie (Lds Girls Camp) 325 8 -
Aspen Meadows 300 37 -
Zions Peak Camp 250 33 -
Beaver Ridge Lds Church Camp 250 13 -
Lost Creek - Lily Lake Campgrounds 222 36 -
Hidden Lake Association 217 89 -
Wanship Well Water System 202 36 -
Sunrock High Adventure Base 200 58 -
Echo State Highway Rest Stop 200 87 -
Wanship Meeting House 200 12 -
Aspen Acres Association 192 122 -
Woodland Mutual Water Co 190 201 -
Cluff Ward Pipeline Co 188 168 -
Christmas Meadows Campground 182 71 -
Blue Sky Ranch and Resort 170 255 -
Manorland Water District No 1 165 40 -
Aspen Mountain Water Co 160 48 -
Red Cloud Water System 150 3 -
Wilderness Acres No 20 Property Owners 147 0 -
Peoa Pipeline Company 141 432 -
Bull Moose Waterworks 136 40 -
Bear River Lodge 126 63 -
Park City RV Park 120 46 -
Weber River Rec Camp 120 8 -
Smith and Morehouse Campground 115 37 -
Sulphur Campground 115 28 -

Compare beyond Utah

Mid-flagged peers for Summit County

Cross-state counties nearest Summit County on flagged-system share (97.4%) and cumulative violation count (9,896). 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

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.