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Counties → Idaho

Valley County, Idaho

SDWIS compliance plate

Sheet ID085 · Valley County 57 sys · 1,987 viol · #2183/3254

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

  • VIOL-SEVERE 89.5% flagged
  • HEALTH-LOW 14.9% health
  • RANK-LOWER #2183/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 93%
  • SYS-MID 57 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Valley County ranks #2,183 of 3,254 counties by people served, and #21 of 44 counties in Idaho. See methodology · corpus placement.

Valley County standing, lower-flagged corpus third

Flagged-system rate 89.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 14.9% 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 #2,183 of 3,254 · #21 of 44 in Idaho.

Flagged-rate neighbourhood around Valley County

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

0% 20% 40% 60% 80% 100% Valley · this county · lowest Oneida · near Gooding · near 89.5% 89.7% 90% 92% 92.3% 100%

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

Water Systems

System Name Population Violations PFAS
McCall City Of 4,423 205 Clean
Cascade City Of 1,000 35 -
Idpr Ponderosa Sp 1,000 23 -
Meadows at West Mountain 550 37 -
Tamarack Resort Association Inc 400 208 -
Fir Grove Estates 270 43 -
Day Star 250 29 -
Camp Ee-DE-How 250 14 -
Donnelly City Of 237 79 -
YMCA Horsethief Camp 220 150 -
Cascade Lake 4H Camp 200 17 -
Jughandle Estates 200 24 -
Siscra 200 20 -
Tamarack Mid-Mountain Restaurant 200 0 -
Camp Ida Haven 150 3 -
Lakefork Merc 150 14 -
Blackhawk on the River 150 13 -
Warm Lake Bible Camp 140 43 -
Clear Creek Station 130 57 -
Tamarack Bay Condominiums 130 50 -
Warm Lake Recreational Water District 124 30 -
Shiloh Bible Conference 110 16 -
Usfs Silver Creek Campground 100 3 -
Usfs Indian Creek Guard Station 100 32 -
Camp Cascade 100 12 -
Jug Mountain Ranch Subdivision 100 23 -
McCall Lds Ward Chapel 100 11 -
Idpr Lake Cascade Sp Buttercup Cg 90 29 -
Paradise Point 80 88 -
Ywam Idaho Boise Cascade Inc 75 69 -
Mountain View RV West 75 37 -
Silver Creek Plunge 75 26 -
Idpr Lake Cascade Sp Huckleberry Cg 75 21 -
Yellow Pine Water Users Inc 72 155 -
K P Cove Subd 70 47 -
McCall Activity Barn 65 0 -
Black Bear RV Park 60 23 -
Perpetua Resources 60 3 -
Hawks Bay Estates HOA LLC 59 43 -
Cascade Christian Church Camp 50 39 -
Usfs Boundary Creek Campground 50 17 -
Pilgrim Cove Camp 50 16 -
Mountain Life Church 50 1 -
Idpr Lake Cascade Sp West Mountain Cg 40 18 -
Usfs Shoreline Campground and Picnic Poi 40 16 -
West Mountain Cottages Inc 36 46 -
Alzar School Inc 27 0 -
Camp Alice Pittenger 25 11 -
Cougar Mountain Lodge 25 34 -
Camp John Paul II 25 5 -

Compare beyond Idaho

Lower-flagged peers for Valley County

Cross-state counties nearest Valley County on flagged-system share (89.5%) and cumulative violation count (1,987). 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.