Is Cambell Ranch, NV Tap Water Safe to Drink?
Graded D+, with 27 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
50/100
Cambell Ranch, NV — Water Quality Report
Cambell Ranch's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 1 water system serves approximately 512 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 204 violations on record, including 30 health-based violations. 27 remain unresolved.
What to know about Cambell Ranch's water
Cambell Ranch ranks #56 out of 66 cities in Nevada for water quality, placing it among the lowest-rated in the state.
Cambell Ranch 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, Cambell Ranch may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 30 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Cambell Ranch, NV water safe to drink?
Cambell Ranch's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 512 residents using groundwater (wells).
Recent water quality updates for Cambell Ranch
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Cambell Ranch's water quality assessment. Grade: D+ (50/100).
1 health-based. Contaminants: Arsenic.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
1 health-based. Contaminants: Arsenic, Public Notice.
Federal disaster declaration (FEMA DR-4708). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3243). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Cambell Ranch's water supply.
Well within EPA limits.
Violation history
Cambell Ranch's water system has 204 total violations on record, including 30 health-based violations. 27 remain unresolved. 30 violations were issued in the last 5 years.
Flood & environmental risk
Lyon County has experienced 4 federally declared disasters since 1965. 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 E Walker Rv Nr Mason, Walker, Walker Rvr.
Where does Cambell Ranch's water come from?
Cambell Ranch's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 512 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include E Walker Rv Nr Mason (river), Walker (river), Walker Rvr (river).
What Cambell Ranch residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Cambell Ranch'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.
Cambell Ranch'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
Lyon County has experienced 4 federally declared disasters since 1965. 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 Cambell Ranch compares by contaminant
Explore where Cambell Ranch ranks among all Nevada cities for specific contaminants.
Water source & infrastructure
Where Cambell Ranch's water comes from
Cambell Ranch'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 native american ownership and serves approximately 512 people through 1 water system.
Water bodies near Cambell Ranch
Cambell Ranch is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Cambell Ranch
| System Name | PWSID | Population | Source |
|---|---|---|---|
| Yerington (Campbell Ranch) | 093200171 | 512 | GW |
How Cambell Ranch compares
Full Nevada rankings →Cambell Ranch's score of 50/100 is below the average of 57/100 among major Nevada cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Nevada rankings →About Cambell Ranch, NV
Wikipedia →Yerington is a city in Lyon County, Nevada, United States. The population was 3,121 at the 2020 census. It is the current county seat of Lyon County, with the first county seat having been established at Dayton on November 29, 1861. It is named after Henry M. Yerington, superintendent of the Virginia and Truckee Railroad from 1868 to 1910.
Learn more about your water
Guides and resources related to Cambell Ranch's water quality findings.
Frequently asked questions
Is Cambell Ranch, NV tap water safe to drink?
Cambell Ranch's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #56 out of 66 cities tested in Nevada.
What contaminants are in Cambell Ranch's water?
Lead was measured at 2.0 ppb (90th percentile). 204 violations are on record.
How is Cambell Ranch'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 Cambell Ranch?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Cambell Ranch's water come from?
Cambell Ranch's water is sourced from Groundwater. The city has 1 water system serving approximately 512 residents.
What health violations has Cambell Ranch's water system had?
Cambell Ranch has 30 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 27 violations remain unresolved.
Is Cambell Ranch's groundwater at risk of contamination?
Cambell Ranch 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 204 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 Cambell Ranch's water compare to other cities?
Cambell Ranch ranks #56 out of 66 cities in Nevada (better than 15% of state cities) and #13202 out of 15744 cities nationally (16th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Cambell Ranch's small water system affect quality?
Cambell Ranch's system serves approximately 512 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 204 violations on record.