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Counties → Montana

Park County, Montana

SDWIS compliance plate

Sheet MT067 · Park County 58 sys · 12,317 viol · #1969/3254

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

  • VIOL-SEVERE 93.1% flagged
  • HEALTH-LOW 5.1% health
  • RANK-LOWER #1969/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 97%
  • SYS-MID 58 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Yellowstone County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Park County ranks #1,969 of 3,254 counties by people served, and #12 of 56 counties in Montana. See methodology · corpus placement.

Park County standing, mid-flagged corpus third

Flagged-system rate 93.1% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 5.1% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,969 of 3,254 · #12 of 56 in Montana.

Flagged-rate neighbourhood around Park County

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

0% 20% 40% 60% 80% 100% Powder River · lowest Park · this county Rosebud · near Petroleum · highest 66.7% 93% 93.1% 93.1% 93.3% 93.5% 100%

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

Water Systems

System Name Population Violations PFAS
Livingston City Of 7,500 980 Clean
Emigrant Rest Stop 800 35 -
Gardiner Park Co Water Dist 700 151 -
Yellowstone Travel Plaza Truck Stop 500 52 -
Sage Lodge 500 8 -
Chico Hot Springs 415 419 -
Clyde Park Water Dept 300 1,877 -
Cooke City Water District 300 941 -
Gardiner Business Park 260 13 -
Wilsall Water District 250 157 -
Under Canvas Paradise Valley 218 0 -
7 Point Ranch 210 349 -
East Gate Work Camp 208 35 -
Luccock Methodist Church Camp 200 111 -
Golden Age Village 180 34 -
Cinnabar The 175 127 -
Yellowstones Edge RV Park 162 26 -
Crazy Mountain Ranch Comfort Station 1 150 0 -
Yellowstone Bible Camp Pray 135 50 -
Avalon Subdivision 135 255 -
Windmill Trailer Park Well 2 125 30 -
Arrowhead School District No 75 120 834 -
Windmill Trailer Park Well 1 110 28 -
Crazy Mountain Ranch 108 16 -
Christikon 100 65 -
Os Management LLC 100 152 -
Mountain Sky Guest Ranch LLC 100 121 -
Rosas Pizza Yellowstone Boys Girls Rnh 100 50 -
Pure Water-Foodworks Livingston 100 0 -
Livingston Campground 93 143 -
Ranch Headquarters 85 43 -
West Creek Ranch 82 25 -
Crazy Mountain Ranch Employee Housing 80 9 -
Livingston Paradise Valley KOA N Well 2 77 87 -
Livingston Paradise Val KOA S Well No 1 75 88 -
Big Spur Tr CT 65 151 -
Montessori Island School 64 96 -
Sleeping Giant Trade Center 61 27 -
Dreamcatcher Tipi Hotel Unapproved 59 9 -
Edannes Mobile Home Park 55 37 -
Pine Crest Tr Pk 54 1,574 -
Yellowstone Valley Lodge 52 64 -
Sphinx Mountain Mb Hm Pk 52 101 -
Osen RV Park and Campground 51 42 -
Sleeping Giant Community Inc 50 134 -
Pine Creek School District 19 50 1,435 -
Pine Creek Lodge 50 235 -
Pine Creek Campground 47 25 -
Bandit LLC 45 160 -
Silver Gate Water Association Inc 40 141 -

Compare beyond Montana

Mid-flagged peers for Park County

Cross-state counties nearest Park County on flagged-system share (93.1%) and cumulative violation count (12,317). 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.