WaterVerge

Is Westcliffe, CO Tap Water Safe to Drink?

Graded B-, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 2 water systems PWSID: CO0114500
Overall Score
74.5 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#104 of 246 in Colorado Top 63% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
74.5/100
waterverge.com
B- 74.5/100

Westcliffe, CO — Water Quality Report

Westcliffe's drinking water received a grade of B- (74.5 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 1,994 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 20 violations on record, including 0 health-based violations. 10 remain unresolved.

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

What to know about Westcliffe's water

Westcliffe ranks #104 out of 246 cities in Colorado for water quality, placing it mid-range in the state.

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

The system has seen 11 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
74.5 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
29.5/45
C
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
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Westcliffe, CO water safe to drink?

Concerns Identified

Westcliffe's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,994 residents using groundwater (wells).

10
Active Violations
0.0 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Westcliffe

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Westcliffe's water quality assessment. Grade: B- (74.5/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
3 drinking water violations recorded

Contaminants: Lead and Copper Rule, Total Haloacetic Acids (HAA5), TTHM.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3224). Coastal Storm event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Westcliffe's water system has 20 total violations on record, including 0 health-based violations. 10 remain unresolved. 11 violations were issued in the last 5 years.

MROtherMON
Most recent violations:
Oct 2025 Lead and Copper Rule Open
Jul 2025 Consumer Confidence Rule Open
Jan 2025 Lead and Copper Rule Open
Jan 2025 Total Haloacetic Acids (HAA5) Resolved
Jan 2025 TTHM Resolved

Flood & environmental risk

Custer County has experienced 1 federally declared disaster since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3224

Where does Westcliffe's water come from?

Westcliffe's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,994 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Westcliffe residents can do

Install a water filter

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

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

20
Total violations
0
Health-based
10
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

20 Total
10 Active
0 Health-based
10 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Public Notice Rule and Revised PN Rule
4
Lead and Copper Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
3
Consumer Confidence Rule
2
Oct 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2023 Active
Public Notice
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jun 2023 Active
Public Notice
Other Violation 0
Dec 2022 Active
Public Notice
Other Violation 0
Jan 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2019 Active
Public Notice
Other Violation 0
Apr 2008 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Nov 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2024
Oct 2024 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Jan 2011 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2011 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Mar 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2008
Jan 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2008
Aug 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1991
Environmental Risk

Drought conditions

D3 — extreme drought

Custer County is currently in D3 (extreme 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.

8
Weeks at D2+ (current streak)
22.9%
Months in D2+ (last 30y)
8
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Coastal Storm
Most common type

Custer County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3224

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 5.0 ppb from 1993 (8.0 ppb) to 2025 (3.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,994
Water Systems
2
Source breakdown
Groundwater
1
Purchased Groundwater
1
Water Source

Where Westcliffe's water comes from

Groundwater

Westcliffe'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 local government ownership and serves approximately 1,994 people through 2 water systems.

Infrastructure

Water systems serving Westcliffe

System Name PWSID Population Source
ROUND MOUNTAIN WSD CO0114500 1,950 GW
VALLEY VIEW PARK MOBILE HOME COMMUNITY CO0114801 44 GWP
Regional Comparison

How Westcliffe compares

Full Colorado rankings →

Westcliffe's score of 74.5/100 is above the average of 45/100 among major Colorado cities. It outscores 9 of 10 nearby cities.

Westcliffe (this city)
74.5
Denver
39.6
Aurora
38.1
Lakewood
36.9
Colorado avg
45
City Profile

About Westcliffe, CO

Wikipedia →

Westcliffe is a statutory town that is the county seat of Custer County, Colorado, United States. As of the 2020 census, Westcliffe had a population of 435.

Economic Profile
$52,500
Median Income
$306,128
Median Home Value
$822/mo
Median Rent
6.8%
Unemployment
Community
47.4
Median Age
139
People / sq mi
37.8%
College Educated
73.5%
Homeownership
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Frequently asked questions

Is Westcliffe, CO tap water safe to drink?

Westcliffe's water quality earned a grade of B- (74.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #104 out of 246 cities tested in Colorado.

What contaminants are in Westcliffe's water?

Lead was measured at 0.0 ppb (90th percentile). 20 violations are on record.

How is Westcliffe'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 Westcliffe?

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

Where does Westcliffe's water come from?

Westcliffe's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,994 residents.

Is Westcliffe's groundwater at risk of contamination?

Westcliffe 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 20 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 Westcliffe's water compare to other cities?

Westcliffe ranks #104 out of 246 cities in Colorado (better than 58% of state cities) and #9837 out of 15744 cities nationally (38th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.