Is Skokomish Nation, WA Tap Water Safe to Drink?
Graded B-, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
74/100
waterverge.com Skokomish Nation, WA — Water Quality Report
Skokomish Nation's drinking water received a grade of B- (74 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,150 residents using groundwater.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 170 violations on record, including 2 health-based violations. 14 remain unresolved.
What to know about Skokomish Nation's water
Skokomish Nation ranks #153 out of 294 cities in Washington for water quality, placing it below average in the state.
Skokomish Nation relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Skokomish Nation may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Skokomish Nation, WA water safe to drink?
Skokomish Nation's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,150 residents using groundwater (wells).
Recent water quality updates for Skokomish Nation
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Skokomish Nation's water quality assessment. Grade: B- (74/100).
Contaminants: Chlorine, Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule, Chlorine.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Key contaminant findings
Based on the most recent EPA sampling data for Skokomish Nation's water supply.
Well within EPA limits.
Violation history
Skokomish Nation's water system has 170 total violations on record, including 2 health-based violations. 14 remain unresolved. 10 violations were issued in the last 5 years.
Where does Skokomish Nation's water come from?
Skokomish Nation's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,150 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Skokomish Nation residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Skokomish Nation's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Skokomish Nation compares by contaminant
Explore where Skokomish Nation ranks among all Washington cities for specific contaminants.
Water source & infrastructure
Where Skokomish Nation's water comes from
Skokomish Nation's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by native american ownership and serves approximately 1,150 people through 1 water system.
Water systems serving Skokomish Nation
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SKOKOMISH | 105300020 | 1,150 | GW |
How Skokomish Nation compares
Full Washington rankings →Skokomish Nation's score of 74/100 is above the average of 53/100 among major Washington cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Washington rankings →Learn more about your water
Guides and resources related to Skokomish Nation's water quality findings.
Frequently asked questions
Is Skokomish Nation, WA tap water safe to drink?
Skokomish Nation's water quality earned a grade of B- (74/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #153 out of 294 cities tested in Washington.
What contaminants are in Skokomish Nation's water?
Lead was measured at 0.0 ppb (90th percentile). 170 violations are on record.
How is Skokomish Nation's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Skokomish Nation?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Skokomish Nation's water come from?
Skokomish Nation's water is sourced from Groundwater. The city has 1 water system serving approximately 1,150 residents.
What health violations has Skokomish Nation's water system had?
Skokomish Nation has 2 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
Is Skokomish Nation's groundwater at risk of contamination?
Skokomish Nation uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 170 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Skokomish Nation's water compare to other cities?
Skokomish Nation ranks #153 out of 294 cities in Washington (better than 48% of state cities) and #9965 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Skokomish Nation's small water system affect quality?
Skokomish Nation's system serves approximately 1,150 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 170 violations on record.