WaterVerge

Is Caliente, NV Tap Water Safe to Drink?

Graded B+, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: NV0000013
Overall Score
81.9 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#35 of 66 in Nevada Top 46% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.9/100
waterverge.com
B+ 81.9/100

Caliente, NV — Water Quality Report

Caliente's drinking water received a grade of B+ (81.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,100 residents using groundwater.

Lead levels were measured at 4.9 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 28 violations on record, including 5 health-based violations. 10 remain unresolved.

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

What to know about Caliente's water

Caliente ranks #35 out of 66 cities in Nevada for water quality, placing it below average in the state.

Caliente 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, Caliente may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
81.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.9 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Caliente, NV water safe to drink?

Concerns Identified

Caliente's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,100 residents using groundwater (wells).

10
Active Violations
4.9 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Caliente

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Caliente's water quality assessment. Grade: B+ (81.9/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4708). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

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 Caliente's water supply.

Lead Within Limits
Detected: 4.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Caliente's water system has 28 total violations on record, including 5 health-based violations. 10 remain unresolved. 5 violations were issued in the last 5 years.

OtherMRMCL
Most recent violations:
Oct 2024 Consumer Confidence Rule Open
Jul 2024 Consumer Confidence Rule Open
Oct 2023 Consumer Confidence Rule Open
Jul 2023 Consumer Confidence Rule Open
Jan 2022 Nitrate Resolved

Flood & environmental risk

Lincoln County has experienced 2 federally declared disasters since 2005. 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 Meadow Valley Wash Nr Caliente.

SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4708
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3243

Where does Caliente's water come from?

Caliente's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,100 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Meadow Valley Wash Nr Caliente (river).

What Caliente residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Caliente'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.

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
4.9 ppb
EPA Action Level: 15 ppb · 33% of limit
Safe Level
Compliance Record

Violation summary

28
Total violations
5
Health-based
10
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

28 Total
10 Active
5 Health-based
18 Resolved
Violations by category
Consumer Confidence Rule
8
Total Coliform Rule
7
Synthetic Organic Chemicals
6
Radionuclides and Revised Rad Rule
4
Nitrate Rule
1
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Oct 2001 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2022 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Sep 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2013
Nov 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2010
Oct 2006 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Oct 2006 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Oct 2006 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Oct 2006 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Oct 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2005
Jan 2002 Resolved
Diquat
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2002 Resolved
Glyphosate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Showing 20 of 28 violations
Environmental Risk

Drought conditions

D2 — severe drought

Lincoln County is currently in D2 (severe 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.

14
Weeks at D2+ (current streak)
39.8%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

2
Declared disasters
Apr 2023
Most recent
Flood
Most common type

Lincoln County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4708
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3243

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.9 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 decreased by 5.1 ppb from 2004 (10.0 ppb) to 2024 (4.9 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,100
Water Systems
1
Water Source

Where Caliente's water comes from

Groundwater

Caliente'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 1,100 people through 1 water system.

Local Hydrology

Water bodies near Caliente

Caliente is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Meadow Valley Wash Nr Caliente
river
Infrastructure

Water systems serving Caliente

System Name PWSID Population Source
CALIENTE PUBLIC UTILITIES NV0000013 1,100 GW
Regional Comparison

How Caliente compares

Full Nevada rankings →

Caliente's score of 81.9/100 is above the average of 57/100 among major Nevada cities. It outscores 9 of 10 nearby cities.

Caliente (this city)
81.9
Las Vegas
39.8
Reno
29.3
Reno
72.2
Henderson
51.8
Nevada avg
57
City Profile

About Caliente, NV

Wikipedia →

Caliente, formerly known as Culverwell and Calientes, is a city in Lincoln County, Nevada, United States. The population was 990 at the 2020 census, making it the least populated incorporated city in Nevada. The city's name originated from the nearby hot springs, as "caliente" is the Spanish word meaning "hot".

Economic Profile
$36,400
Median Income
$154,141
Median Home Value
$629/mo
Median Rent
4.2%
Unemployment
Community
43.9
Median Age
6
People / sq mi
21.9%
College Educated
60.3%
Homeownership
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Frequently asked questions

Is Caliente, NV tap water safe to drink?

Caliente's water quality earned a grade of B+ (81.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #35 out of 66 cities tested in Nevada.

What contaminants are in Caliente's water?

Lead was measured at 4.9 ppb (90th percentile). 28 violations are on record.

How is Caliente'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 Caliente?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Caliente's water come from?

Caliente's water is sourced from Groundwater. The city has 1 water system serving approximately 1,100 residents.

What health violations has Caliente's water system had?

Caliente has 5 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

Is Caliente's groundwater at risk of contamination?

Caliente 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 28 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 Caliente's water compare to other cities?

Caliente ranks #35 out of 66 cities in Nevada (better than 47% of state cities) and #7264 out of 15744 cities nationally (54th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Caliente's small water system affect quality?

Caliente's system serves approximately 1,100 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 28 violations on record.