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Counties → Washington

Skamania County, Washington

SDWIS compliance plate

Sheet WA059 · Skamania County 58 sys · 3,052 viol · #1924/3254

VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-MID · BOOK-MOST

  • VIOL-SEVERE 98.3% flagged
  • HEALTH-LOW 4.6% health
  • RANK-MID #1924/3254
  • PHOTO-FINISH ±0.5 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 97%
  • SYS-MID 58 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Island ( -0.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Skamania County ranks #1,924 of 3,254 counties by people served, and #34 of 39 counties in Washington. See methodology · corpus placement.

Skamania County standing, mid-flagged corpus third

Flagged-system rate 98.3% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.6% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Skamania County . Population served ranks #1,924 of 3,254 · #34 of 39 in Washington.

Flagged-rate neighbourhood around Skamania County

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

0% 20% 40% 60% 80% 100% Grant · lowest Snohomish · near Skagit · near Wahkiakum · highest 69.8% 97.1% 97.6% 97.7% 97.7% 98.3% 100%

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

Water Systems

System Name Population Violations PFAS
Carson 3,015 594 -
Stevenson Water Dept 2,594 87 -
Johnston Ridge Observatory 2,506 15 -
Beacon Rock State Park 1 1,375 14 -
North Bonneville City Of 1,048 16 -
Underwood 1,000 202 -
Cape Horn Skye Grade School 610 113 -
Beacon Rock State Park Boat Launch 549 6 -
Home Valley Water District 500 140 -
Swift Campground Pp and L Co 406 7 -
Mill a Water Co 278 35 -
Beacon Rock State Park Gp Cg 200 18 -
Northwoods Assn 144 31 -
Skamania Landing Owners Assn 132 40 -
Riverside Grocery & Cafe Inc. 129 4 -
Pine Creek WC 108 14 -
Angels Rest 102 0 -
Duggan Falls 100 682 -
Skamania Elementary School 91 53 -
Paradise Campground Hp 2A 87 15 -
Camp WA RI Ki 79 33 -
Wauna Lake 77 27 -
Little White Salmon Natl Fish Hatc 74 3 -
Mountain View 72 25 -
Mount Pleasant School 72 40 -
Carson National Fish Hatchery 69 20 -
Adams Fork 3 Hp 67 7 -
Lower Falls Cg Upper LP 67 7 -
Wind River Business Park 65 1 -
Califf, Matthew 63 2 -
Bonneville Dam Power House 2 62 113 -
Carson Industrial Site 62 13 -
Maple Hill Water Services 62 43 -
Beaver Campground 57 8 -
Peterson Prairie 57 27 -
Willard National Fish Hatchery 50 8 -
Beacon Rock Trailer & RV Park 49 8 -
Spring Creek National Fish Hatchery 48 9 -
Wind River Community 44 215 -
Paradise Campground Hp 1 43 3 -
Camp Arrowhead 42 23 -
Willard 40 16 -
Wind River Admin Site 38 11 -
Adams Fork #5 Hp 34 2 -
Panther Campground Hp 2B 33 13 -
Big Cedars County Park 32 23 -
Washougal Timber Trails 32 26 -
Norway Pass Trailhead Hp 30 10 -
Panther Campground Hp No 1 30 10 -
Johnston, James W 28 41 -

Compare beyond Washington

Mid-flagged peers for Skamania County

Cross-state counties nearest Skamania County on flagged-system share (98.3%) and cumulative violation count (3,052). 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.