Is Swink, CO Tap Water Safe to Drink?
Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
87.6/100
waterverge.com Swink, CO — Water Quality Report
Swink's drinking water received a grade of A- (87.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 660 residents using groundwater.
Lead levels were measured at 2.0 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 15 violations on record, including 12 health-based violations. 3 remain unresolved.
What to know about Swink's water
Swink ranks #37 out of 246 cities in Colorado for water quality, placing it above average in the state.
Swink 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, Swink may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Swink, CO water safe to drink?
Swink's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 660 residents using groundwater (wells).
Recent water quality updates for Swink
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Swink's water quality assessment. Grade: A- (87.6/100).
1 health-based. Contaminants: Stage 1 Disinfectants and Disinfection Byproducts Rule.
Contaminants: Consumer Confidence Rule.
1 health-based. Contaminants: Combined Radium (-226 and -228).
Federal disaster declaration (FEMA DR-3224). Coastal Storm event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1186). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Swink's water supply.
Well within EPA limits.
Violation history
Swink's water system has 15 total violations on record, including 12 health-based violations. 3 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Otero County has experienced 2 federally declared disasters since 1997. 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 Arkansas River, Timpas Creek.
Where does Swink's water come from?
Swink's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 660 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Arkansas River (river), Timpas Creek (river).
What Swink residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Swink's water.
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D3 — extreme droughtOtero 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Otero County has experienced 2 federally declared disasters since 1997. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Swink compares by contaminant
Explore where Swink ranks among all Colorado cities for specific contaminants.
Water source & infrastructure
Where Swink's water comes from
Swink'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 660 people through 1 water system.
Water bodies near Swink
Swink is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Swink
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SWINK TOWN OF | CO0145720 | 660 | GW |
How Swink compares
Full Colorado rankings →Swink's score of 87.6/100 is above the average of 45/100 among major Colorado cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Colorado rankings →About Swink, CO
Learn more about your water
Guides and resources related to Swink's water quality findings.
Explore water quality across Otero
Frequently asked questions
Is Swink, CO tap water safe to drink?
Swink's water quality earned a grade of A- (87.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #37 out of 246 cities tested in Colorado.
What contaminants are in Swink's water?
Lead was measured at 2.0 ppb (90th percentile). 15 violations are on record.
How is Swink'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 Swink?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Swink's water come from?
Swink's water is sourced from Groundwater. The city has 1 water system serving approximately 660 residents.
What health violations has Swink's water system had?
Swink has 12 health-based violations on record. The most recent violation was recorded in January 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Swink's groundwater at risk of contamination?
Swink 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 15 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 Swink's water compare to other cities?
Swink ranks #37 out of 246 cities in Colorado (better than 85% of state cities) and #3966 out of 15744 cities nationally (75th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Swink's small water system affect quality?
Swink's system serves approximately 660 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 15 violations on record.