WaterVerge

Is Hotchkiss, CO Tap Water Safe to Drink?

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

4K residents served 7 water systems PWSID: CO0115352
Overall Score
31 / 100
Violations
62 active
Last Updated
May 2026
Source
Surface water
#245 of 246 in Colorado Top 100% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
31/100
waterverge.com
F 31/100

Hotchkiss, CO — Water Quality Report

Hotchkiss's drinking water received a grade of F (31 out of 100), indicating failing water quality. The city's 7 water systems serve approximately 3,765 residents using surface water.

Lead levels were measured at 17.0 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 957 violations on record, including 145 health-based violations. 62 remain unresolved.

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

What to know about Hotchkiss's water

Hotchkiss ranks #245 out of 246 cities in Colorado 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.

Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.

The system has seen 291 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
31 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
2/20
F
Lead at 17.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Hotchkiss, CO water safe to drink?

Concerns Identified

Hotchkiss's drinking water has significant quality concerns based on EPA testing data. With a grade of F (31/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 7 water systems serve approximately 3,765 residents using surface water (rivers, lakes, or reservoirs).

62
Active Violations
17.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Hotchkiss

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hotchkiss's water quality assessment. Grade: F (31/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Stage 1 Disinfectants and Disinfection Byproducts Rule, Lead and Copper Rule.

Violation
4 drinking water violations recorded

Contaminants: Public Notice, Revised Total Coliform Rule, Surface Water Treatment Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Disaster
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING

Federal disaster declaration (FEMA DR-719). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Exceeds Limit
Detected: 17.0 ppb Limit: 15 ppb (EPA Action Level)

Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.

Copper Exceeds Limit
Detected: 1.87 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

Hotchkiss's water system has 957 total violations on record, including 145 health-based violations. 62 remain unresolved. 291 violations were issued in the last 5 years.

TTMROtherMONMCLRPT
Most recent violations:
Feb 2026 Stage 1 Disinfectants and Disinfection Byproducts Rule Open
Jan 2026 Stage 1 Disinfectants and Disinfection Byproducts Rule Open
Jan 2026 Lead and Copper Rule Open
Dec 2025 Public Notice Open
Dec 2025 Revised Total Coliform Rule Resolved

Flood & environmental risk

Delta 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 Crawford Reservoir, Smith Fork, North Fork Gunnison River Below Paonia, Leroux Creek Above Mouth, North Fk Gunnison River Above Mouth Nr Lazear.

HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3224
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA DR-719
FLOODING & LANDSLIDES
Flood FEMA DR-396

Where does Hotchkiss's water come from?

Hotchkiss's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 7 water systems serving approximately 3,765 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Crawford Reservoir (lake), Smith Fork (river), North Fork Gunnison River Below Paonia (river), Leroux Creek Above Mouth (river), North Fk Gunnison River Above Mouth Nr Lazear (river).

What Hotchkiss residents can do

Install a water filter

Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Hotchkiss'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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Hotchkiss'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
Over Limit
17.0 ppb
EPA Action Level: 15 ppb · +13% over limit
Exceeds LimitFilter: NSF-53
Copper (90th percentile)
Inorganic
Over Limit
1.87 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

957
Total violations
145
Health-based
62
Active / unresolved
Feb 2026
Most recent violation
Compliance Record

Violations & advisories

957 Total
62 Active
145 Health-based
895 Resolved
29 SNC
Violations by category
Volatile Organic Chemicals
275
Synthetic Organic Chemicals
167
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
102
Surface Water Treatment Rule
100
Stage 1 Disinfectants and Disinfection Byproducts Rule
60
Feb 2026 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Jan 2026 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Jan 2026 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2025 Active
Public Notice
Other Violation 0
Nov 2025 Active
Public Notice
Other Violation 0
Sep 2025 Active
Public Notice
Other Violation 0
Aug 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
May 2025 Active
Public Notice
Other Violation 0
Apr 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Mar 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Feb 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Showing 20 of 957 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Montrose 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.

7
Weeks at D2+ (current streak)
35.6%
Months in D2+ (last 30y)
7
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
Flood
Most common type

Delta 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
Jul 1984
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA #719
Jul 1973
FLOODING & LANDSLIDES
Flood FEMA #396
Sep 1970
HEAVY RAINS & FLOODING
Flood FEMA #293

Recommended water filters

Based on contaminants detected in Hotchkiss's water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead level (17.0 ppb) exceeds the EPA action level of 15 ppb
Read our guide →
🔧
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) 17.0 15 ppb Inorganic Over Limit
Copper (90th percentile) 1.87 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 0.9 ppb from 1993 (5.0 ppb) to 2025 (5.9 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.270 mg/L from 2007 (1.600 mg/L) to 2017 (1.870 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
3,765
Water Systems
7
Source breakdown
Surface Water
2
Purchased Surface Water
2
Groundwater
2
Ground Water Under Influence
1
Water Source

Where Hotchkiss's water comes from

Surface Water

Hotchkiss'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 3,765 people through 7 water systems.

Local Hydrology

Water bodies near Hotchkiss

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

Crawford Reservoir
lake
Smith Fork
river
North Fork Gunnison River Below Paonia
river
Leroux Creek Above Mouth
river
North Fk Gunnison River Above Mouth Nr Lazear
river
Infrastructure

Water systems serving Hotchkiss

System Name PWSID Population Source
HOTCHKISS TOWN OF CO0115352 2,050 SW
ROGERS MESA WC CO0115685 840 SWP
FRUITLAND DOMESTIC WC CO0115288 335 SW
HANSON MESA DOMESTIC PIPELINE CO INC CO0115333 250 SWP
LAZEAR DOMESTIC WC CO0115467 178 GW
SUNSHINE MESA DOMESTIC WC CO0115725 76 GW
STUCKER MESA DOMESTIC WC CO0115726 36 GU
Regional Comparison

How Hotchkiss compares

Full Colorado rankings →

Hotchkiss's score of 31/100 is below the average of 45/100 among major Colorado cities. 10 of 10 nearby cities score higher.

Hotchkiss (this city)
31
Denver
39.6
Aurora
38.1
Lakewood
36.9
Colorado avg
45
City Profile

About Hotchkiss, CO

Wikipedia →

Hotchkiss is a statutory town in Delta County, Colorado, United States. The population was 875 at the 2020 census.

Economic Profile
$53,214
Median Income
$232,925
Median Home Value
$1,056/mo
Median Rent
2.9%
Unemployment
Community
40
Median Age
451
People / sq mi
21.7%
College Educated
78%
Homeownership
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Frequently asked questions

Is Hotchkiss, CO tap water safe to drink?

Hotchkiss's water quality earned a grade of F (31/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #245 out of 246 cities tested in Colorado.

What contaminants are in Hotchkiss's water?

Lead was measured at 17.0 ppb (90th percentile). 957 violations are on record.

How is Hotchkiss'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 Hotchkiss?

Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Hotchkiss's water come from?

Hotchkiss's water is sourced from Surface water. The city has 7 water systems serving approximately 3,765 residents.

What health violations has Hotchkiss's water system had?

Hotchkiss has 145 health-based violations on record. The most recent violation was recorded in February 2026. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 62 violations remain unresolved.

How does Hotchkiss's water compare to other cities?

Hotchkiss ranks #245 out of 246 cities in Colorado (better than 0% of state cities) and #15661 out of 15744 cities nationally (1th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.