WaterVerge

Is Cashmere, WA Tap Water Safe to Drink?

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

10K residents served 12 water systems PWSID: WA5311700
Overall Score
41.2 / 100
Violations
51 active
Last Updated
May 2026
Source
Surface water
#281 of 294 in Washington Top 95% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
41.2/100
waterverge.com
F 41.2/100

Cashmere, WA — Water Quality Report

Cashmere's drinking water received a grade of F (41.2 out of 100), indicating failing water quality. The city's 12 water systems serve approximately 9,830 residents using surface water.

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 422 violations on record, including 21 health-based violations. 51 remain unresolved.

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

What to know about Cashmere's water

Cashmere ranks #281 out of 294 cities in Washington for water quality, placing it among the lowest-rated 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.

Hexavalent chromium (chromium-6) was detected at 1.09 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

The system has seen 58 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
41.2 out of 100 Grade F
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
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
13.2/20
C
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Cashmere, WA water safe to drink?

Concerns Identified

Cashmere's drinking water has significant quality concerns based on EPA testing data. With a grade of F (41.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 12 water systems serve approximately 9,830 residents using surface water (rivers, lakes, or reservoirs).

51
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Cashmere

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cashmere's water quality assessment. Grade: F (41.2/100).

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
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
6 drinking water violations recorded

Contaminants: Consumer Confidence Rule, 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.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.44 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

Cashmere's water system has 422 total violations on record, including 21 health-based violations. 51 remain unresolved. 58 violations were issued in the last 5 years.

OtherMRMONMCLTT
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jan 2025 TTHM Resolved
Jan 2025 Total Haloacetic Acids (HAA5) Resolved
Jul 2024 Consumer Confidence Rule Open
Jul 2024 Consumer Confidence Rule Open

Flood & environmental risk

Chelan County has experienced 6 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 Wenatchee River.

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 STORM, LANDSLIDES, MUDSLIDES, AND FLOODING
Flood FEMA DR-1817

Where does Cashmere's water come from?

Cashmere's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 12 water systems serving approximately 9,830 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Wenatchee River (river).

What Cashmere residents can do

Install a water filter

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

Cashmere'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
1.44 mg/L
EPA Action Level: 1.3 mg/L · +10% over limit
Exceeds Limit
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
1.09 µg/L
CA MCL (no federal MCL): 10 µg/L · 11% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
531.1 µg/L
EPA Health Ref Level: 1,500 µg/L · 35% of limit
DetectedUCMR 3 Data
NDMA (N-Nitrosodimethylamine)
Disinfection Byproduct
Detected
2.0 ng/L
CA Public Health Goal: 10 ng/L · 20% of limit
DetectedProbable CarcinogenUCMR 2 Data (2008–2010)
Vanadium
Inorganic
Detected
6.20 µg/L
EPA Short-term HA: 21 µg/L · 30% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
470.1 µg/L
EPA Lifetime HA: 210 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
Compliance Record

Violation summary

422
Total violations
21
Health-based
51
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

422 Total
51 Active
21 Health-based
371 Resolved
10 SNC
Violations by category
Volatile Organic Chemicals
120
Inorganic Chemicals
102
Total Coliform Rule
65
Consumer Confidence Rule
31
Lead and Copper Rule
22
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jan 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 422 violations
Industrial pollution

Top industrial polluters within 10 miles of Cashmere

Industrial polluters nearby

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

Total reported releases to surface water: 1,426 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
TREE TOP INC WENATCHEE PLANT
Food · TREE TOP INC
WENATCHEE, WA98801
Nitrate compounds (water dissociable; reportable only when in aqueous solution)1,4269.2 mi
CENTRAL WASHINGTON CONCRETE WENATCHEE - BAKER FLATS
Nonmetallic Mineral Product · CRH AMERICAS INC
EAST WENATCHEE, WA98802
8.2 mi
PACIFIC AEROSPACE & ELECTRONICS
Computers and Electronic Products · QNNECT
WENATCHEE, WA98801
7.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Chelan County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

24.3%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

6
Declared disasters
Dec 2025
Most recent
Flood
Most common type

Chelan County has experienced 6 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
Mar 2022
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN
Flood FEMA #4650
Jan 2009
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODING
Flood FEMA #1817
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3227
Nov 1990
SEVERE STORMS & FLOODING
Flood FEMA #883
Jun 1972
SEVERE STORMS & FLOODING
Flood FEMA #334

Recommended water filters

Based on contaminants detected in Cashmere'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) 1.44 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 increased by 1.0 ppb from 1993 (4.0 ppb) to 2025 (5.0 ppb).

Copper level (90th percentile)

Latest reading: 1.435 mg/L (1997)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
9,830
Water Systems
12
Source breakdown
Groundwater
9
Surface Water
2
Purchased Surface Water
1
Water Source

Where Cashmere's water comes from

Surface Water

Cashmere'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 local government ownership and serves approximately 9,830 people through 12 water systems.

Local Hydrology

Water bodies near Cashmere

Cashmere is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Wenatchee River
river
Infrastructure

Water systems serving Cashmere

System Name PWSID Population Source
CASHMERE WATER DEPARTMENT WA5311700 5,815 SW
ALPINE WATER DISTRICT WA5325315 2,255 GW
SUN COVE PUBLIC WATER SYSTEM WA5385124 716 GW
BAUERS LANDING LODGE WA5305836 291 GW
VALLEYHI COMMUNITY CLUB WA5390975 242 GW
Ski Hill Domestic Water Association WA5302413 102 GW
WARNER FLATS DOMESTIC WATER CO INC WA5306073 100 SWP
DAWN LEE COURTS WA5318188 100 GW
WEST CASHMERE WATER SYSTEM WA5394475 63 GW
SUNNYBANK WATER SYSTEM WA5301266 58 SW
ALPINE ACRES COMMUNITY ASSOCIATION WA5301822 51 GW
TOWNS MOBILE HOME PARK WA5388945 37 GW
Regional Comparison

How Cashmere compares

Full Washington rankings →

Cashmere's score of 41.2/100 is below the average of 53/100 among major Washington cities. It outscores 3 of 10 nearby cities. 7 of 10 nearby cities score higher.

Cashmere (this city)
41.2
Seattle
42.3
Tacoma
32.2
Vancouver
32.9
Spokane
39.2
Kent
44.4
Washington avg
53
City Profile

About Cashmere, WA

Economic Profile
$60,597
Median Income
$349,433
Median Home Value
$962/mo
Median Rent
1.1%
Unemployment
Community
43.8
Median Age
1,076
People / sq mi
23.9%
College Educated
54.2%
Homeownership
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Frequently asked questions

Is Cashmere, WA tap water safe to drink?

Cashmere's water quality earned a grade of F (41.2/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #281 out of 294 cities tested in Washington.

What contaminants are in Cashmere's water?

Lead was measured at 0.0 ppb (90th percentile). 422 violations are on record.

How is Cashmere'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 Cashmere?

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

Where does Cashmere's water come from?

Cashmere's water is sourced from Surface water. The city has 12 water systems serving approximately 9,830 residents.

What health violations has Cashmere's water system had?

Cashmere has 21 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 51 violations remain unresolved.

How does Cashmere's water compare to other cities?

Cashmere ranks #281 out of 294 cities in Washington (better than 4% of state cities) and #15010 out of 15744 cities nationally (5th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.