WaterVerge

Is Fox Island, WA Tap Water Safe to Drink?

Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 1 water system PWSID: WA5326300
Overall Score
81.7 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#129 of 294 in Washington Top 47% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.7/100
waterverge.com
B+ 81.7/100

Fox Island, WA — Water Quality Report

Fox Island's drinking water received a grade of B+ (81.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,255 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 214 violations on record, including 3 health-based violations. 3 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Fox Island's water

Fox Island ranks #129 out of 294 cities in Washington for water quality, placing it mid-range in the state.

Fox Island 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, Fox Island may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
81.7 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
33.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Fox Island, WA water safe to drink?

Concerns Identified

Fox Island's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,255 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Fox Island

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Fox Island's water quality assessment. Grade: B+ (81.7/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-3629). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODING

Federal disaster declaration (FEMA DR-1817). Flood event — may have impacted local water infrastructure.

Violation
29 drinking water violations recorded

Contaminants: Dinoseb, Dalapon, OXAMYL.

Key contaminant findings

Based on the most recent EPA sampling data for Fox Island's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.80 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Fox Island's water system has 214 total violations on record, including 3 health-based violations. 3 remain unresolved.

OtherMRMCL
Most recent violations:
Jul 2015 Consumer Confidence Rule Open
Jul 2014 Consumer Confidence Rule Open
Oct 2007 Dinoseb Resolved
Oct 2007 Dalapon Resolved
Oct 2007 OXAMYL Resolved

Flood & environmental risk

Pierce County has experienced 10 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Huge Creek, Clover Creek, Flett Creek, Leach Creek, Leach.

SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3629
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODING
Flood FEMA DR-1817
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3227

Where does Fox Island's water come from?

Fox Island's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,255 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Huge Creek (river), Clover Creek (river), Flett Creek (river), Leach Creek (river), Leach (river).

What Fox Island residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Fox Island's water.

Request your utility's CCR

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.

Monitor alerts during storms

Fox Island's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.80 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

214
Total violations
3
Health-based
3
Active / unresolved
Jul 2015
Most recent violation
Compliance Record

Violations & advisories

214 Total
3 Active
3 Health-based
211 Resolved
Violations by category
Volatile Organic Chemicals
120
Synthetic Organic Chemicals
64
Inorganic Chemicals
22
Total Coliform Rule
3
Consumer Confidence Rule
2
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2007 Resolved
Dinoseb
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Dalapon
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
OXAMYL
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Diquat
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Heptachlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
HEXACHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Hexachlorocyclopentadiene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Chlordane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Carbofuran
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Benzo(a)pyrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Aldicarb sulfoxide
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Pentachlorophenol
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Heptachlor epoxide
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Aldicarb sulfone
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Aldicarb
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
ETHYLENE DIBROMIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2007 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Showing 20 of 214 violations
Industrial pollution

Top industrial polluters within 10 miles of Fox Island

Industrial polluters nearby

Reported releases to surface water by facilities near Fox Island, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
GENERAL PLASTICS MANUFACTURING CO
Plastics and Rubber · GENERAL PLASTICS MANUFACTURING CO
TACOMA, WA98409
8.1 mi
NORTHWEST ETCH
Fabricated Metals · NA
TACOMA, WA98409
8.4 mi
BRADKEN ENERGY
Primary Metals · BRADKEN INC
TACOMA, WA98409
9.0 mi
BRADKEN INC
Primary Metals · BRADKEN INC
TACOMA, WA98409
8.1 mi
U.S. ARMY JOINT BASE LEWIS-MCCHORD
Other · US DEPARTMENT OF DEFENSE
JBLM, WA984339500
8.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Fox Island

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

10
Declared disasters
Dec 2025
Most recent
Flood
Most common type

Pierce County has experienced 10 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Dec 2025
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #3629
Jan 2009
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODING
Flood FEMA #1817
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3227
Feb 1996
HIGH WINDS, SEVERE STORMS AND FLOODING
Flood FEMA #1100
Mar 1991
SEVERE STORMS & HIGH TIDES
Flood FEMA #896
Nov 1990
SEVERE STORMS & FLOODING
Flood FEMA #883

Recommended water filters

Based on contaminants detected in Fox Island's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.80 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 9.0 ppb from 1993 (9.0 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 1.800 mg/L (1993)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
3,255
Water Systems
1
Water Source

Where Fox Island's water comes from

Groundwater

Fox Island'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 private ownership and serves approximately 3,255 people through 1 water system.

Local Hydrology

Water bodies near Fox Island

Fox Island is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Huge Creek
river
Clover Creek
river
Flett Creek
river
Leach Creek
river
Leach
river
Infrastructure

Water systems serving Fox Island

System Name PWSID Population Source
Fox Island Mutual Water Assoc WA5326300 3,255 GW
Regional Comparison

How Fox Island compares

Full Washington rankings →

Fox Island's score of 81.7/100 is above the average of 53/100 among major Washington cities. It outscores 9 of 10 nearby cities.

Fox Island (this city)
81.7
Seattle
42.3
Tacoma
32.2
Vancouver
32.9
Spokane
39.2
Kent
44.4
Washington avg
53
City Profile

About Fox Island, WA

Economic Profile
$157,566
Median Income
$900,723
Median Home Value
$2,115/mo
Median Rent
4.6%
Unemployment
Community
50
Median Age
271
People / sq mi
59%
College Educated
95%
Homeownership
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Frequently asked questions

Is Fox Island, WA tap water safe to drink?

Fox Island's water quality earned a grade of B+ (81.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #129 out of 294 cities tested in Washington.

What contaminants are in Fox Island's water?

Lead was measured at 0.0 ppb (90th percentile). 214 violations are on record.

How is Fox Island'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 Fox Island?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Fox Island's water come from?

Fox Island's water is sourced from Groundwater. The city has 1 water system serving approximately 3,255 residents.

What health violations has Fox Island's water system had?

Fox Island has 3 health-based violations on record. The most recent violation was recorded in July 2015. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Fox Island's groundwater at risk of contamination?

Fox Island 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 214 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 Fox Island's water compare to other cities?

Fox Island ranks #129 out of 294 cities in Washington (better than 56% of state cities) and #7342 out of 15744 cities nationally (53th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Fox Island's small water system affect quality?

Fox Island's system serves approximately 3,255 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 214 violations on record.