Water Quality in Tonasket, WA (98855)
EPA violation data for public water systems serving ZIP code 98855.
Active Health Violations
26 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,857
Population
90
Water Systems
133
Violations (5yr)
26
Health-Based
Location
Loading map...
Water Systems Serving This Area (90)
Tonasket Water System
Groundwater 2,392 people served
0 violations
Okanogan Neighbors
All resolved Groundwater 1,600 people served
1 violation (5yr)
· All resolved
Inchelium Water District
1 health-based Groundwater 540 people served
3 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Corral Springs Water System
Groundwater 336 people served
0 violations
Progressive Flat Water Assn
1 health-based Purchased groundwater 335 people served
1 violation (5yr)
· 1 health-based · All resolved
Crane Ranch
Groundwater 329 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Oalc Davenport
Groundwater 300 people served
0 violations
Sandflat Water Association
Groundwater 260 people served
0 violations
Suncrest Plat Water System
Groundwater 260 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Coleman Butte Water Assn
Groundwater 250 people served
0 violations
Loomis Water Users Assn Inc
All resolved Groundwater 225 people served
1 violation (5yr)
· All resolved
Hanson Harbor Homeowners Assn
Groundwater 220 people served
0 violations
Afc Ranch 1
Groundwater 217 people served
0 violations
Los Reyes Inc
Groundwater 200 people served
0 violations
Honeybear Growers
All resolved Groundwater 161 people served
40 violations (5yr)
· All resolved
River Road Mobile Home Park
1 health-based Groundwater 150 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Aston Estates
Groundwater 141 people served
0 violations
Afc Ranch 2
Groundwater 125 people served
0 violations
Tonasket Free Methodist Church
Groundwater 120 people served
0 violations
Crumbacher Estates Water System
Groundwater 111 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Camas Meadows Bible Camp
All resolved Groundwater 110 people served
3 violations (5yr)
· All resolved
Martin Creek Community Assn
8 health-based Groundwater 108 people served
8 violations (5yr)
· 8 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Homestead Mobile Home Park
Groundwater 105 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Red Rock Saloon
All resolved Groundwater 100 people served
6 violations (5yr)
· All resolved
Ellisforde 7th Day Adventist Sch.
Groundwater 100 people served
0 violations
Dan'S Market
Groundwater 91 people served
0 violations
Pine Forest Water System
Groundwater 90 people served
0 violations
Orondo River Park
Groundwater 90 people served
0 violations
Old Orchard Estates Water System
Groundwater 86 people served
0 violations
Lead tested: 0.6 ppb (limit: 15 ppb) ✓
Hardin Housing Water System
Groundwater 83 people served
0 violations
Dons Fruit Stand
Groundwater 77 people served
0 violations
Sit N Bull Saloon
All resolved Groundwater 76 people served
15 violations (5yr)
· All resolved
Weimer Road
Groundwater 76 people served
0 violations
Lost River Airport Association
Groundwater 72 people served
0 violations
Wolf Creek Property Owners Assn
All resolved Groundwater 71 people served
2 violations (5yr)
· All resolved
Gamble Sands
Groundwater 70 people served
0 violations
Buckingham Water System
1 health-based Groundwater 64 people served
1 violation (5yr)
· 1 health-based · All resolved
Ellisforde Church Of The Brethren
Groundwater 64 people served
0 violations
Pinecrest Subdivison Owners
Groundwater 63 people served
0 violations
Lead tested: 1.8 ppb (limit: 15 ppb) ✓
Cascade Foothills
Groundwater 61 people served
0 violations
Withrow Water Works
All resolved Groundwater 60 people served
1 violation (5yr)
· All resolved
Vista Vue Water Users Assn
Groundwater 60 people served
0 violations
Wells Hydroelectric Project
All resolved Groundwater 56 people served
1 violation (5yr)
· All resolved
Griggs Marcus
All resolved Groundwater 55 people served
1 violation (5yr)
· All resolved
Appleway Trailer Court
Groundwater 54 people served
0 violations
Columbia Springs Estates
Groundwater 54 people served
0 violations
Salmon Meadows Cg - Tonasket Rd
Groundwater 52 people served
0 violations
Johnson Creek Water Users Assn
Groundwater 48 people served
0 violations
Robison Tract / Teeny
Groundwater 46 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Rader Road Hoa
Groundwater 44 people served
0 violations
Burnt Finger Water System
Groundwater 43 people served
0 violations
Walker S Lone Pine Orchard
1 health-based Groundwater 43 people served
2 violations (5yr)
· 1 health-based · All resolved
Riverwood Water System
Groundwater 43 people served
0 violations
Afc Ranch 7
8 health-based Groundwater 40 people served
8 violations (5yr)
· 8 health-based · All resolved
Afc Ranch 5
5 health-based Groundwater 40 people served
5 violations (5yr)
· 5 health-based · All resolved
Elm Tree Water & Sewer Assn
All resolved Groundwater 38 people served
5 violations (5yr)
· All resolved
Many Lakes Mobile Home Park
All resolved Groundwater 37 people served
16 violations (5yr)
· All resolved
Smith & Nelson
Groundwater 36 people served
0 violations
Spectacle Lake Resort
Groundwater 35 people served
0 violations
Birch Spring Wtr Users
Groundwater 35 people served
0 violations
Robison Brothers Water System
Groundwater 33 people served
0 violations
Aeneas General Store
Groundwater 30 people served
0 violations
Noots Drive Inn
Groundwater 30 people served
0 violations
Champerty Shores
Groundwater 29 people served
0 violations
Valley View Estates Water System
Groundwater 28 people served
0 violations
Wagon Wheel Bar & Grill
All resolved Groundwater 26 people served
2 violations (5yr)
· All resolved
Escure Farms
Groundwater 26 people served
0 violations
Bonaparte Lake Campground
Groundwater 25 people served
0 violations
Upper Beaver Lake Campground
Groundwater 25 people served
0 violations
Bonaparte Well #2 Campground
Groundwater 25 people served
0 violations
Bonaparte Lake
Groundwater 25 people served
0 violations
Top Red Law Place
Groundwater 25 people served
0 violations
Camp Ortoha
Groundwater 25 people served
0 violations
Sweat Creek Campground
Groundwater 25 people served
0 violations
Twin Pines Mobile Home Park
Groundwater 25 people served
6 violations (5yr)
Balanced Rock Spring
Groundwater 25 people served
0 violations
Twisp River Sky Ranch Water System
Groundwater 21 people served
0 violations
Crows Nest Acres
Groundwater 16 people served
0 violations
Beth Lake Cg - Tonasket Rd
Groundwater 15 people served
0 violations
Beaver Lake Cg - Tonasket Rd
Groundwater 15 people served
0 violations
Liberty Woodlands
All resolved Groundwater 14 people served
1 violation (5yr)
· All resolved
Ok Ranch Inc
Groundwater 13 people served
0 violations
Rainbow Valley Church
Groundwater 12 people served
0 violations
Park Addition Water Association
Groundwater 11 people served
0 violations
Oriole Cg - Tonasket Rd
Groundwater 10 people served
0 violations
Ryan Harvey Short Plat
Groundwater 9 people served
0 violations
Spectacle Falls Resort
Groundwater 7 people served
0 violations
Azwell Orchards
Groundwater 7 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb) ✓
Glass House
Groundwater 4 people served
0 violations
Whitestone Mountain Orchard
Groundwater 4 people served
0 violations
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
47 violations
All resolved
NitrateHealth-Based
At high levels, nitrate can cause blue baby syndrome in infants.
18 violations
All resolved
FluorideHealth-Based
8 violations
All resolved
ArsenicHealth-Based
A naturally occurring element that can cause cancer and other health effects at high levels.
2 violations
All resolved
1,1-DichloroethyleneMonitoring
2 violations
All resolved
DICHLOROMETHANEMonitoring
2 violations
All resolved
Carbon tetrachlorideMonitoring
2 violations
All resolved
p-DichlorobenzeneMonitoring
2 violations
All resolved
1,1,1-TrichloroethaneMonitoring
2 violations
All resolved
1,2-DichloropropaneMonitoring
2 violations
All resolved
TetrachloroethyleneMonitoring
2 violations
All resolved
o-DichlorobenzeneMonitoring
2 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
2 violations
All resolved
CHLOROBENZENEMonitoring
2 violations
All resolved
1,2-DichloroethaneMonitoring
2 violations
All resolved
TrichloroethyleneMonitoring
2 violations
All resolved
EthylbenzeneMonitoring
2 violations
All resolved
BenzeneMonitoring
2 violations
All resolved
TolueneMonitoring
2 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
2 violations
All resolved
Vinyl chlorideMonitoring
2 violations
All resolved
1,1,2-TrichloroethaneMonitoring
2 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
2 violations
All resolved
StyreneMonitoring
2 violations
All resolved
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
1 violation
Has active
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jul 2024
How Does This Compare?
Tonasket (98855) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 133.
Fewer violations 97th percentile More violations
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.