Is Farson, WY Tap Water Safe to Drink?
Graded B-, with 16 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
72/100
waterverge.com Farson, WY — Water Quality Report
Farson's drinking water received a grade of B- (72 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 550 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 112 violations on record, including 2 health-based violations. 16 remain unresolved.
What to know about Farson's water
Farson ranks #37 out of 65 cities in Wyoming for water quality, placing it below average in the state.
Farson 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, Farson may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Farson, WY water safe to drink?
Farson's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 550 residents using groundwater (wells).
Recent water quality updates for Farson
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Farson's water quality assessment. Grade: B- (72/100).
Contaminants: Consumer Confidence Rule.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, Lead and Copper Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Farson's water supply.
Well within EPA limits.
Violation history
Farson's water system has 112 total violations on record, including 2 health-based violations. 16 remain unresolved. 12 violations were issued in the last 5 years.
Where does Farson's water come from?
Farson's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 550 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Farson residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Farson'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
D4 — exceptional droughtSweetwater County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 0.2% 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Farson compares by contaminant
Explore where Farson ranks among all Wyoming cities for specific contaminants.
Water source & infrastructure
Where Farson's water comes from
Farson'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 550 people through 2 water systems.
Water systems serving Farson
| System Name | PWSID | Population | Source |
|---|---|---|---|
| FARSON EDEN SCHOOL | WY5600113 | 530 | GW |
| FARSON MOBILE HOME COURT | WY5600112 | 20 | GW |
How Farson compares
Full Wyoming rankings →Farson's score of 72/100 is above the average of 55/100 among major Wyoming cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Wyoming rankings →About Farson, WY
Wikipedia →Rock Springs is a city in Sweetwater County, Wyoming, United States. The population was 23,526 at the 2020 census, making it the fifth most populous city in the state of Wyoming, and the most populous city in Sweetwater County. Rock Springs is the principal city of the Rock Springs micropolitan statistical area, which has a population of 37,975.
Learn more about your water
Guides and resources related to Farson's water quality findings.
Explore water quality across Sweetwater
Frequently asked questions
Is Farson, WY tap water safe to drink?
Farson's water quality earned a grade of B- (72/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #37 out of 65 cities tested in Wyoming.
What contaminants are in Farson's water?
Lead was measured at 0.0 ppb (90th percentile). 112 violations are on record.
How is Farson'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 Farson?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Farson's water come from?
Farson's water is sourced from Groundwater. The city has 2 water systems serving approximately 550 residents.
What health violations has Farson's water system had?
Farson has 2 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.
Is Farson's groundwater at risk of contamination?
Farson 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 112 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 Farson's water compare to other cities?
Farson ranks #37 out of 65 cities in Wyoming (better than 43% of state cities) and #10467 out of 15744 cities nationally (34th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.