Water Quality: Napavine, WA

27 water systems • 6,972 people served

Multiple Health Violations
400
Total Violations
54
Health-Based Violations
27
Water Systems
6,972
Population Served

Water Quality Summary

Napavine is served by 27 public water systems with a combined service population of 6,972 people, and has 400 EPA Safe Drinking Water Act violations on record. Critically, 54 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Napavine's violation count is 147% above the national average for Washington. Contaminants associated with violations include Barium, Chlorine Dioxide, E. coli.

Contaminants Found

Barium

Increases blood pressure and causes cardiovascular effects with long-term exposure.

Common source: Natural rock deposits, oil drilling operations, coal power plant waste

EPA limit: 2 mg/L

Chlorine Dioxide

Can cause anemia in infants and young children; may cause nervous system effects at high levels.

Common source: Water treatment disinfectant used to control taste, odor, and microorganisms

EPA limit: 0.8 mg/L

E. coli

Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.

Common source: Fecal contamination from humans or animals entering the water supply

EPA limit: Zero (no E. coli permitted in drinking water)

Water Systems Serving Napavine

System Name PWSID Source Population Violations
NAPAVINE CITY OF WA5358200 Groundwater 3,095 0
LEWIS CO WATER DIST #1 WA5347000 Groundwater 1,174 9
CARROLLS WATER ASSN WA5311300 Groundwater 449 89
PLEASANT FOREST CAMPING CLUB WA5305303 Groundwater 327 3
NEWAUKUM VENTURES WA5326014 Groundwater 186 2
MALONE WA5350600 Groundwater 181 1
FLYING CARPET MOBILE ESTATES WA5325722 Groundwater 174 3
WHISPERING WOODS HOME PARK WA5396095 Groundwater 125 0
TIMBERLANE MOBILE ESTATES WA5388383 Groundwater 120 54
REDMON MOBILE HOME PARK WA5371643 Groundwater 105 1
LAKESIDE VILLAGE WA5345303 Groundwater 94 1
SKOOKUMCHUCK MOBILE MANOR WA5379835 Groundwater 90 11
LAKE MAYFIELD COMMUNITY CLUB WA5300914 Groundwater 88 0
MAYFIELD KAMPER KLUB WA5352112 Groundwater 87 3
HARMONY PARK LOT OWNERS WA5331362 Groundwater 81 6
PATTERSON LAKE WATER WA5366573 Groundwater 79 0
TIMBERLANE MOBILE HOME PARK WA5388381 Groundwater 63 3
TOWNSHIP PLACE WA5301379 Groundwater 56 0
PRAIRIE VILLAGE LLC WA53AB072 Groundwater 55 2
GUNDERSON WATER WORKS WA5330235 Groundwater 53 0
RIVER OAKS RV PARK & CAMPGROUND WA5313644 Groundwater 50 73
WINSTON CREEK RV PARK WA5358780 Groundwater 50 64
COLUMBIA CREST ESTATES WA5307200 Groundwater 48 50
SILVERBROOK MH & RV WA5379190 Groundwater 42 21
SKATE CREEK TERRACE ASSOCIATION WA5379650 Groundwater 39 2
GRAND MOUND MOTEL WA5307989 Groundwater 36 0
WINLOCK WATERS 2 WA5307925 Groundwater 25 2

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

Other Cities in Washington

Seattle 28 violations • 1,160,858 served Tacoma 477 violations • 628,246 served Vancouver 125 violations • 495,151 served Spokane 1010 violations • 426,660 served Kent 41 violations • 359,974 served Bellevue 1 violations • 317,330 served Everett 115 violations • 282,350 served Lynnwood 16 violations • 268,204 served

View all cities in Washington →

Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.gov • Search ECHO for WA