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Counties → Idaho

Bannock County, Idaho

SDWIS compliance plate

Sheet ID005 · Bannock County 49 sys · 2,778 viol · #660/3254

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

  • VIOL-SEVERE 98.0% flagged
  • HEALTH-LOW 10.6% health
  • RANK-UPPER #660/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-MID 49 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Bannock County ranks #660 of 3,254 counties by people served, and #5 of 44 counties in Idaho. See methodology · corpus placement.

Bannock County standing, mid-flagged corpus third

Flagged-system rate 98.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.6% 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 #660 of 3,254 · #5 of 44 in Idaho.

Flagged-rate neighbourhood around Bannock County

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

0% 20% 40% 60% 80% 100% Valley · lowest Shoshone · near Bannock · this county Camas · highest 89.5% 96.8% 97.3% 97.8% 98% 98% 100%

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

Water Systems

System Name Population Violations PFAS
Pocatello City Of 58,231 961 Clean
Chubbuck City Of 15,842 37 Clean
McCammon City Of 800 32 -
Inkom City Of 792 28 -
Tyhee Elementary School 675 46 -
Downey City Of 625 77 -
Lds Siphon and Philbin Church 612 4 -
Fast Stop Inc 500 39 -
Lds Yellowstone Church 467 10 -
Lds Tyhee Stake Center 436 3 -
Pebble Creek Ski Area 400 36 -
Lava Hot Springs City Of 386 18 -
Arimo City Of 368 63 -
Downata Hot Springs 350 20 -
Tyhee and S and N Estates Water Assn 300 37 -
Pocatello KOA LLC 250 68 -
Laceys Vista Acres Water Corp 200 46 -
Caribou Acres 150 47 -
D and M Water Assn 142 35 -
Whitewater Subd 106 35 -
Camp Taylor 100 24 -
Lost Trail 100 33 -
Lava Hot Springs KOA 100 39 -
Hitt the Road 100 48 -
Beech Hollow 100 13 -
Equestrian Estates 88 23 -
Twin Pines Mobile Park 86 23 -
Wildhorse Ridge Subd 85 48 -
Lava Campground 80 0 -
Portneuf Bend Campground 76 14 -
Lds Virginia Ward Church 75 29 -
Valley View Estates 74 173 -
Lds Swan Lake Church 62 70 -
Smith Road Water Users Assn 58 116 -
Tyhee Enterprises 50 42 -
McCammon Subway 50 1 -
Usfs Mink Creek Group Use Area 50 12 -
Baker Ranch 50 24 -
Intermountain Vipassana Association 50 12 -
Thunder Canyon Estates Homeowners Assoc 35 40 -
Idaho Materials and Construction 33 92 -
Space Acres Water Users Assn 29 28 -
Swan Lake Culinary Water Company 29 2 -
Intermountain Gas Company 28 12 -
Mink Creek Mountain Estates 27 150 -
Moose Mountain 27 13 -
Evergreen Acres Subd 25 21 -
Usfs Scout Mountain Campground 25 14 -
Sunnyside Sinclair 25 20 -

Compare beyond Idaho

Mid-flagged peers for Bannock County

Cross-state counties nearest Bannock County on flagged-system share (98.0%) and cumulative violation count (2,778). 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.