WaterVerge

Is Wellpinit, WA Tap Water Safe to Drink?

Graded D+, with 183 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 6 water systems PWSID: 105300022
Overall Score
50 / 100
Violations
183 active
Last Updated
May 2026
Source
Groundwater
#216 of 294 in Washington Top 84% nationally
Native American
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
50/100
waterverge.com
D+ 50/100

Wellpinit, WA — Water Quality Report

Wellpinit's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 6 water systems serve approximately 1,895 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 1861 violations on record, including 103 health-based violations. 183 remain unresolved.

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

What to know about Wellpinit's water

Wellpinit ranks #216 out of 294 cities in Washington for water quality, placing it below average in the state.

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

The system has seen 97 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
50 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Wellpinit, WA water safe to drink?

Concerns Identified

Wellpinit's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 6 water systems serve approximately 1,895 residents using groundwater (wells).

183
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Wellpinit

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Wellpinit's water quality assessment. Grade: D+ (50/100).

Violation
6 drinking water violations recorded

Contaminants: Revised Total Coliform Rule.

Violation
4 drinking water violations recorded

Contaminants: Combined Uranium, Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U.

Violation
2 drinking water violations recorded

Contaminants: Public Notice, Combined Radium (-226 and -228).

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3227). Coastal Storm event — may have impacted local water infrastructure.

Disaster
HEAVY RAINS, SNOW MELT, FLOODING, LAND & MUD SLIDES

Federal disaster declaration (FEMA DR-1172). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Wellpinit's water system has 1,861 total violations on record, including 103 health-based violations. 183 remain unresolved. 97 violations were issued in the last 5 years.

MONMROtherTTRPTMCL
Most recent violations:
Nov 2025 Revised Total Coliform Rule Resolved
Nov 2025 Revised Total Coliform Rule Resolved
Nov 2025 Revised Total Coliform Rule Resolved
Nov 2025 Revised Total Coliform Rule Resolved
Nov 2025 Revised Total Coliform Rule Resolved

Flood & environmental risk

Stevens County has experienced 4 federally declared disasters since 1974. 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 Chamokane Creek Below Falls.

HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3227
HEAVY RAINS, SNOW MELT, FLOODING, LAND & MUD SLIDES
Flood FEMA DR-1172
HEAVY RAINS, FLOODING & MUDSLIDES
Flood FEMA DR-822

Where does Wellpinit's water come from?

Wellpinit's drinking water comes from groundwater (wells), supplied by 6 water systems serving approximately 1,895 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Chamokane Creek Below Falls (river).

What Wellpinit residents can do

Install a water filter

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

Wellpinit'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
Compliance Record

Violation summary

1861
Total violations
103
Health-based
183
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

1861 Total
183 Active
103 Health-based
1678 Resolved
Violations by category
Synthetic Organic Chemicals
500
Volatile Organic Chemicals
443
Total Coliform Rule
322
Arsenic Rule
110
Radionuclides and Revised Rad Rule
92
Apr 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Showing 20 of 1861 violations
Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Stevens County has experienced 4 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3227
Apr 1997
HEAVY RAINS, SNOW MELT, FLOODING, LAND & MUD SLIDES
Flood FEMA #1172
Apr 1989
HEAVY RAINS, FLOODING & MUDSLIDES
Flood FEMA #822
Jan 1974
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #414

Full contaminants report

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

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.0 ppb from 2009 (1.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Native American
Population Served
1,895
Water Systems
6
Water Source

Where Wellpinit's water comes from

Groundwater

Wellpinit'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 1,895 people through 6 water systems.

Local Hydrology

Water bodies near Wellpinit

Wellpinit is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Chamokane Creek Below Falls
river
Infrastructure

Water systems serving Wellpinit

System Name PWSID Population Source
WELLPINIT 105300022 525 GW
TWO RIVERS RESORT 105300123 480 GW
MCCOY LAKE 105300021 325 GW
MARTHA BOARDMAN 105311103 295 GW
FORD-NEWHOUSE LANE 105338100 160 GW
RESERVATION ROAD 105300058 110 GW
Regional Comparison

How Wellpinit compares

Full Washington rankings →

Wellpinit's score of 50/100 is on par with the average of 53/100 among major Washington cities. It outscores 6 of 10 nearby cities.

Wellpinit (this city)
50
Seattle
42.3
Tacoma
32.2
Vancouver
32.9
Spokane
39.2
Kent
44.4
Washington avg
53
City Profile

About Wellpinit, WA

Wikipedia →

Wellpinit is an unincorporated community in Stevens County, Washington, United States. Wellpinit has a post office with ZIP code 99040. It is the setting of the young adult novel, The Absolutely True Diary of a Part-Time Indian by Sherman Alexie. The population of the ZIP Code Tabulation Area for 99040 was 930 at the 2000 census.

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Frequently asked questions

Is Wellpinit, WA tap water safe to drink?

Wellpinit's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #216 out of 294 cities tested in Washington.

What contaminants are in Wellpinit's water?

Lead was measured at 0.0 ppb (90th percentile). 1861 violations are on record.

How is Wellpinit'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 Wellpinit?

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

Where does Wellpinit's water come from?

Wellpinit's water is sourced from Groundwater. The city has 6 water systems serving approximately 1,895 residents.

What health violations has Wellpinit's water system had?

Wellpinit has 103 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 183 violations remain unresolved.

Is Wellpinit's groundwater at risk of contamination?

Wellpinit 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 1861 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 Wellpinit's water compare to other cities?

Wellpinit ranks #216 out of 294 cities in Washington (better than 27% of state cities) and #13127 out of 15744 cities nationally (17th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.