WaterVerge

Is Austin, CO Tap Water Safe to Drink?

Graded B+, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: CO0115588
Overall Score
81.3 / 100
Violations
2 active
Last Updated
May 2026
Source
Ground water under influence
#76 of 246 in Colorado Top 48% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.3/100
waterverge.com
B+ 81.3/100

Austin, CO — Water Quality Report

Austin's drinking water received a grade of B+ (81.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,100 residents using ground water under influence.

Lead levels were measured at 7.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 23 violations on record, including 0 health-based violations. 2 remain unresolved.

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

What to know about Austin's water

Austin ranks #76 out of 246 cities in Colorado for water quality, placing it mid-range in the state.

Austin 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

As a small community water system, Austin may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
81.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.8/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 7.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Austin, CO water safe to drink?

Use Caution

Austin's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (81.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,100 residents using groundwater (wells).

2
Active Violations
7.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Austin

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Austin's water quality assessment. Grade: B+ (81.3/100).

Violation
4 drinking water violations recorded

Contaminants: Chlorine, Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced 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 Austin's water supply.

Lead Elevated
Detected: 7.0 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Austin's water system has 23 total violations on record, including 0 health-based violations. 2 remain unresolved. 7 violations were issued in the last 5 years.

MRRPTMON
Most recent violations:
Jan 2025 Chlorine Resolved
Jan 2025 Surface Water Treatment Rule Resolved
Jan 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Jan 2025 Revised Total Coliform Rule Open
Dec 2024 Interim Enhanced Surface Water Treatment 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 North Fk Gunnison River Above Mouth Nr Lazear, Surface Creek, Fruit Growers Reservoir, Gunnison River, Uncompahgre River.

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 Austin's water come from?

Austin's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,100 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include North Fk Gunnison River Above Mouth Nr Lazear (river), Surface Creek (river), Fruit Growers Reservoir (lake), Gunnison River (river), Uncompahgre River (river).

What Austin residents can do

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

Austin'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
7.0 ppb
EPA Action Level: 15 ppb · 47% of limit
Safe Level
Compliance Record

Violation summary

23
Total violations
0
Health-based
2
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

23 Total
2 Active
0 Health-based
21 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
9
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
7
Surface Water Treatment Rule
4
Revised Total Coliform Rule
2
Jan 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Jan 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2025
Jan 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2025
Dec 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Nov 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2024
May 2021 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2021
Jul 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2020
Jul 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2020
Apr 2017 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2017
Jul 2013 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2013
Oct 2012 Resolved
CARBON, TOTAL
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Jul 2012 Resolved
CARBON, TOTAL
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2012
Jul 2012 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2012
Apr 2012 Resolved
CARBON, TOTAL
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Jan 2012 Resolved
CARBON, TOTAL
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Oct 2011 Resolved
CARBON, TOTAL
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Showing 20 of 23 violations
Environmental Risk

Drought conditions

D4 — exceptional drought

Delta County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 0.1% 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.

13
Weeks at D2+ (current streak)
22.3%
Months in D2+ (last 30y)
13
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 Austin's water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 7.0 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 7.0 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 increased by 2.0 ppb from 1993 (5.0 ppb) to 2025 (7.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
3,100
Water Systems
1
Water Source

Where Austin's water comes from

Ground Water Under Influence

Austin'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 3,100 people through 1 water system.

Local Hydrology

Water bodies near Austin

Austin is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

North Fk Gunnison River Above Mouth Nr Lazear
river
Surface Creek
river
Fruit Growers Reservoir
lake
Gunnison River
river
Uncompahgre River
river
Infrastructure

Water systems serving Austin

System Name PWSID Population Source
ORCHARD CITY TOWN OF CO0115588 3,100 GU
Regional Comparison

How Austin compares

Full Colorado rankings →

Austin's score of 81.3/100 is above the average of 45/100 among major Colorado cities. It outscores 9 of 10 nearby cities.

Austin (this city)
81.3
Denver
39.6
Aurora
38.1
Lakewood
36.9
Colorado avg
45
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Frequently asked questions

Is Austin, CO tap water safe to drink?

Austin's water quality earned a grade of B+ (81.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #76 out of 246 cities tested in Colorado.

What contaminants are in Austin's water?

Lead was measured at 7.0 ppb (90th percentile). 23 violations are on record.

How is Austin'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 Austin?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Austin's water come from?

Austin's water is sourced from Ground water under influence. The city has 1 water system serving approximately 3,100 residents.

Is Austin's groundwater at risk of contamination?

Austin 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 23 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 Austin's water compare to other cities?

Austin ranks #76 out of 246 cities in Colorado (better than 69% of state cities) and #7508 out of 15744 cities nationally (52th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Austin's small water system affect quality?

Austin's system serves approximately 3,100 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 23 violations on record.