WaterVerge

Is Anacortes, WA Tap Water Safe to Drink?

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

794 residents served 2 water systems PWSID: WA5318580
Overall Score
86.5 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased surface water
#83 of 294 in Washington Top 30% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
86.5/100
waterverge.com
A- 86.5/100

Anacortes, WA — Water Quality Report

Anacortes's drinking water received a grade of A- (86.5 out of 100), indicating good water quality. The city's 2 water systems serve approximately 794 residents using purchased surface water.

Lead levels were measured at 1.1 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 23 violations on record, including 10 health-based violations. 2 remain unresolved.

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

What to know about Anacortes's water

Anacortes ranks #83 out of 294 cities in Washington for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Anacortes may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
86.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Anacortes, WA water safe to drink?

Use Caution

Anacortes's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (86.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 794 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
1.1 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Anacortes

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Anacortes's water quality assessment. Grade: A- (86.5/100).

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: Revised Total Coliform Rule.

Disaster
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN

Federal disaster declaration (FEMA DR-4650). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.56 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

Anacortes's water system has 23 total violations on record, including 10 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

MONOtherMRMCL
Most recent violations:
Nov 2023 Revised Total Coliform Rule Resolved
Aug 2017 Revised Total Coliform Rule Resolved
Jul 2016 Consumer Confidence Rule Open
Apr 2015 TTHM Resolved
Apr 2015 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Skagit County has experienced 10 federally declared disasters since 1990. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3629
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN
Flood FEMA DR-4650
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN
Flood FEMA DR-4650

Where does Anacortes's water come from?

Anacortes's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 794 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Anacortes residents can do

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

Anacortes'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
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.56 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

23
Total violations
10
Health-based
2
Active / unresolved
Nov 2023
Most recent violation
Compliance Record

Violations & advisories

23 Total
2 Active
10 Health-based
21 Resolved
2 SNC
Violations by category
Total Coliform Rule
14
Revised Total Coliform Rule
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Radionuclides and Revised Rad Rule
2
Consumer Confidence Rule
1
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Nov 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2023
Aug 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2017
Apr 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2015
Apr 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2015
May 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2005
Mar 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Oct 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2004
Jan 1999 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2000
Sep 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1998
Nov 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1997
Apr 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 1996
Jul 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1995
May 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1995
Jun 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1993
Nov 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1992
Nov 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1992
Oct 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1992
Nov 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1991
Showing 20 of 23 violations
Industrial pollution

Top industrial polluters within 10 miles of Anacortes

Industrial polluters nearby

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

Total reported releases to surface water: 132,383 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
HF SINCLAIR PUGET SOUND REFINING LLC
Petroleum · HF SINCLAIR CORP
ANACORTES, WA98221
Nitrate compounds (water dissociable; reportable only when in aqueous solution)130,2372.9 mi
TESORO REFINING & MARKETING CO LLC
Petroleum · MARATHON PETROLEUM CORP
ANACORTES, WA98221
Nitrate compounds (water dissociable; reportable only when in aqueous solution)2,1454.0 mi
CHEMTRADE SOLUTIONS LLC
Chemicals · CHEMTRADE HOLDCO US INC
ANACORTES, WA98221
3.2 mi
DAKOTA CREEK INDUSTRIES INC.
Transportation Equipment · NA
ANACORTES, WA98221
2.2 mi
AIR LIQUIDE HYDROGEN PLANT
Chemicals · AMERICAN AIR LIQUIDE HOLDINGS INC
ANACORTES, WA98221
3.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Dec 2025
Most recent
Flood
Most common type

Skagit County has experienced 10 federally declared disasters since 1990. 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
Mar 2022
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN
Flood FEMA #4650
Mar 2022
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN
Flood FEMA #4650
Jan 2022
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4635
Apr 2020
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4539
Jan 2009
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODING
Flood FEMA #1817

Recommended water filters

Based on contaminants detected in Anacortes'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) 1.1 15 ppb Inorganic Safe
Copper (90th percentile) 1.56 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 8.0 ppb from 1995 (8.0 ppb) to 2023 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 1.560 mg/L (1995)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Private
Population Served
794
Water Systems
2
Source breakdown
Purchased Surface Water
1
Groundwater
1
Water Source

Where Anacortes's water comes from

Purchased Surface Water

Anacortes's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by private ownership and serves approximately 794 people through 2 water systems.

Infrastructure

Water systems serving Anacortes

System Name PWSID Population Source
DEL MAR COMMUNITY SERVICE WA5318580 654 SWP
SUNSET RIDGE COMMUNITY ASSN WA5386158 140 GW
Regional Comparison

How Anacortes compares

Full Washington rankings →

Anacortes's score of 86.5/100 is above the average of 53/100 among major Washington cities. It outscores 9 of 10 nearby cities.

Anacortes (this city)
86.5
Seattle
42.3
Tacoma
32.2
Vancouver
32.9
Spokane
39.2
Kent
44.4
Washington avg
53
City Profile

About Anacortes, WA

Economic Profile
$86,911
Median Income
$590,928
Median Home Value
$1,526/mo
Median Rent
4.2%
Unemployment
Community
48.7
Median Age
583
People / sq mi
45%
College Educated
68.5%
Homeownership
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Frequently asked questions

Is Anacortes, WA tap water safe to drink?

Anacortes's water quality earned a grade of A- (86.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #83 out of 294 cities tested in Washington.

What contaminants are in Anacortes's water?

Lead was measured at 1.1 ppb (90th percentile). 23 violations are on record.

How is Anacortes'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 Anacortes?

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

Where does Anacortes's water come from?

Anacortes's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 794 residents.

What health violations has Anacortes's water system had?

Anacortes has 10 health-based violations on record. The most recent violation was recorded in November 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

How does Anacortes's water compare to other cities?

Anacortes ranks #83 out of 294 cities in Washington (better than 72% of state cities) and #4690 out of 15744 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.