WaterVerge

Is Kremmling, CO Tap Water Safe to Drink?

Graded C, with 21 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 3 water systems PWSID: CO0125455
Overall Score
64.7 / 100
Violations
21 active
Last Updated
May 2026
Source
Surface water
#135 of 246 in Colorado Top 74% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
64.7/100
waterverge.com
C 64.7/100

Kremmling, CO — Water Quality Report

Kremmling's drinking water received a grade of C (64.7 out of 100), indicating fair water quality. The city's 3 water systems serve approximately 2,409 residents using surface water.

Lead levels were measured at 3.0 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 64 violations on record, including 3 health-based violations. 21 remain unresolved.

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

What to know about Kremmling's water

Kremmling ranks #135 out of 246 cities in Colorado for water quality, placing it below average 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, Kremmling may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 20 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
64.7 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
18.7/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Kremmling, CO water safe to drink?

Concerns Identified

Kremmling's drinking water has significant quality concerns based on EPA testing data. With a grade of C (64.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 2,409 residents using surface water (rivers, lakes, or reservoirs).

21
Active Violations
3.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Kremmling

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Kremmling's water quality assessment. Grade: C (64.7/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

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 Kremmling's water supply.

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Kremmling's water system has 64 total violations on record, including 3 health-based violations. 21 remain unresolved. 20 violations were issued in the last 5 years.

MRMONTTOther
Most recent violations:
Jan 2026 Lead and Copper Rule Open
Jul 2025 Lead and Copper Rule Open
Jan 2025 Lead and Copper Rule Open
Dec 2024 Revised Total Coliform Rule Resolved
Dec 2024 Surface Water Treatment Rule Resolved

Flood & environmental risk

Grand County has experienced 4 federally declared disasters since 1970. 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 Troublesome Creek, Muddy Creek Above Antelope Creek Nr. Kremmling, Wolford Mtn Reservoir Nr Kremmling, Muddy Crk, Colorado River.

HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3224
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3224
FLOODING & LANDSLIDES
Flood FEMA DR-396

Where does Kremmling's water come from?

Kremmling's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 2,409 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Troublesome Creek (river), Muddy Creek Above Antelope Creek Nr. Kremmling (river), Wolford Mtn Reservoir Nr Kremmling (lake), Muddy Crk (river), Colorado River (river).

What Kremmling residents can do

Install a water filter

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

Kremmling'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
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

64
Total violations
3
Health-based
21
Active / unresolved
Jan 2026
Most recent violation
Compliance Record

Violations & advisories

64 Total
21 Active
3 Health-based
43 Resolved
4 SNC
Violations by category
Volatile Organic Chemicals
21
Public Notice Rule and Revised PN Rule
11
Lead and Copper Rule
6
Surface Water Treatment Rule
4
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Jan 2026 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2021 Active
Public Notice
Other Violation 0
Jul 2021 Active
Public Notice
Other Violation 0
Jun 2021 Active
Public Notice
Other Violation 0
Jan 2021 Active
Public Notice
Other Violation 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2020 Active
Public Notice
Other Violation 0
Oct 2020 Active
Public Notice
Other Violation 0
Sep 2020 Active
Public Notice
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jun 2020 Active
Public Notice
Other Violation 0
Mar 2020 Active
Public Notice
Other Violation 0
Dec 2019 Active
Public Notice
Other Violation 0
Dec 2019 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2019 Active
Public Notice
Other Violation 0
Jan 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Showing 20 of 64 violations
Environmental Risk

Drought conditions

D4 — exceptional drought

Grand County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 98.3% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
22.6%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Coastal Storm
Most common type

Grand County has experienced 4 federally declared disasters since 1970. 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
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3224
Jul 1973
FLOODING & LANDSLIDES
Flood FEMA #396
Sep 1970
HEAVY RAINS & FLOODING
Flood FEMA #293

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 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 (5.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,409
Water Systems
3
Source breakdown
Surface Water
1
Ground Water Under Influence
1
Purchased Surface Water
1
Water Source

Where Kremmling's water comes from

Surface Water

Kremmling'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 2,409 people through 3 water systems.

Local Hydrology

Water bodies near Kremmling

Kremmling is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Troublesome Creek
river
Muddy Creek Above Antelope Creek Nr. Kremmling
river
Wolford Mtn Reservoir Nr Kremmling
lake
Muddy Crk
river
Colorado River
river
Infrastructure

Water systems serving Kremmling

System Name PWSID Population Source
KREMMLING TOWN OF CO0125455 1,859 SW
BLUE VALLEY MD CO0125148 410 GU
RIVER RANCH VILLAGE MHP LLC CO0125676 140 SWP
Regional Comparison

How Kremmling compares

Full Colorado rankings →

Kremmling's score of 64.7/100 is above the average of 45/100 among major Colorado cities. It outscores 9 of 10 nearby cities.

Kremmling (this city)
64.7
Denver
39.6
Aurora
38.1
Lakewood
36.9
Colorado avg
45
City Profile

About Kremmling, CO

Economic Profile
$64,141
Median Income
$1,175/mo
Median Rent
2.4%
Unemployment
Community
35.2
Median Age
525
People / sq mi
20.2%
College Educated
74.1%
Homeownership
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Frequently asked questions

Is Kremmling, CO tap water safe to drink?

Kremmling's water quality earned a grade of C (64.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #135 out of 246 cities tested in Colorado.

What contaminants are in Kremmling's water?

Lead was measured at 3.0 ppb (90th percentile). 64 violations are on record.

How is Kremmling'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 Kremmling?

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

Where does Kremmling's water come from?

Kremmling's water is sourced from Surface water. The city has 3 water systems serving approximately 2,409 residents.

What health violations has Kremmling's water system had?

Kremmling has 3 health-based violations on record. The most recent violation was recorded in January 2026. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 21 violations remain unresolved.

How does Kremmling's water compare to other cities?

Kremmling ranks #135 out of 246 cities in Colorado (better than 45% of state cities) and #11630 out of 15744 cities nationally (26th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.