WaterVerge

Is Ruidoso Downs, NM Tap Water Safe to Drink?

Graded A-, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: NM3513214
Overall Score
89.9 / 100
Violations
5 active
Last Updated
May 2026
Source
Groundwater
#6 of 163 in New Mexico Top 16% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.9/100
waterverge.com
A- 89.9/100

Ruidoso Downs, NM — Water Quality Report

Ruidoso Downs's drinking water received a grade of A- (89.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,146 residents using groundwater.

Lead levels were measured at 1.5 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 37 violations on record, including 3 health-based violations. 5 remain unresolved.

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

What to know about Ruidoso Downs's water

Ruidoso Downs ranks #6 out of 163 cities in New Mexico for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
89.9 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Ruidoso Downs, NM water safe to drink?

Concerns Identified

Ruidoso Downs's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,146 residents using groundwater (wells).

5
Active Violations
1.5 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Ruidoso Downs

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ruidoso Downs's water quality assessment. Grade: A- (89.9/100).

Disaster
SEVERE STORMS, FLOODING, AND LANDSLIDES

Federal disaster declaration (FEMA DR-4886). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, FLOODING, AND LANDSLIDES

Federal disaster declaration (FEMA DR-3628). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Key contaminant findings

Based on the most recent EPA sampling data for Ruidoso Downs's water supply.

Lead Within Limits
Detected: 1.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ruidoso Downs's water system has 37 total violations on record, including 3 health-based violations. 5 remain unresolved. 2 violations were issued in the last 5 years.

MROtherMCLTT
Most recent violations:
May 2025 Chlorine Resolved
Oct 2024 Consumer Confidence Rule Open
Feb 2017 Public Notice Open
Jan 2014 TTHM Resolved
Jan 2014 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Lincoln County has experienced 10 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 Rio Ruidoso, South Fork Cedar Creek, Cedar Creek Above Ruidoso, Gavilan Canyon, North Fork Eagle Creek.

SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA DR-4886
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA DR-3628
SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4152

Where does Ruidoso Downs's water come from?

Ruidoso Downs's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,146 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Rio Ruidoso (river), South Fork Cedar Creek (river), Cedar Creek Above Ruidoso (river), Gavilan Canyon (river), North Fork Eagle Creek (river).

What Ruidoso Downs residents can do

Install a water filter

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

Monitor alerts during storms

Ruidoso Downs'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
1.5 ppb
EPA Action Level: 15 ppb · 10% of limit
Safe Level
Compliance Record

Violation summary

37
Total violations
3
Health-based
5
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

37 Total
5 Active
3 Health-based
32 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
21
Stage 1 Disinfectants and Disinfection Byproducts Rule
3
Consumer Confidence Rule
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Lead and Copper Rule
2
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Oct 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2006 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
May 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved May 2025
Jan 2014 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2014
Jan 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2014
Oct 2010 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Oct 2010 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Sep 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2008
Jan 2006 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
Xylenes, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
Vinyl chloride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
trans-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Showing 20 of 37 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)
36.8%
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

10
Declared disasters
Jul 2025
Most recent
Flood
Most common type

Lincoln County has experienced 10 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2025
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA #4886
Jul 2025
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA #3628
Oct 2013
SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4152
Aug 2012
FLOODING
Flood FEMA #4079
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3229
Jan 1985
SEVERE STORMS & FLOODING
Flood FEMA #731

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.5 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 2.1 ppb from 2005 (3.6 ppb) to 2024 (1.5 ppb).
Contaminant Rankings

See how Ruidoso Downs compares by contaminant

Explore where Ruidoso Downs ranks among all New Mexico cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,146
Water Systems
1
Water Source

Where Ruidoso Downs's water comes from

Groundwater

Ruidoso Downs'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 2,146 people through 1 water system.

Local Hydrology

Water bodies near Ruidoso Downs

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

Rio Ruidoso
river
South Fork Cedar Creek
river
Cedar Creek Above Ruidoso
river
Gavilan Canyon
river
North Fork Eagle Creek
river
Infrastructure

Water systems serving Ruidoso Downs

System Name PWSID Population Source
RUIDOSO DOWNS WATER SYSTEM NM3513214 2,146 GW
Regional Comparison

How Ruidoso Downs compares

Full New Mexico rankings →

Ruidoso Downs's score of 89.9/100 is above the average of 44/100 among major New Mexico cities. It outscores 10 of 10 nearby cities.

Ruidoso Downs (this city)
89.9
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
City Profile

About Ruidoso Downs, NM

Economic Profile
$28,939
Median Income
$765/mo
Median Rent
2%
Unemployment
Community
35.9
Median Age
269
People / sq mi
10.2%
College Educated
63.4%
Homeownership
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Frequently asked questions

Is Ruidoso Downs, NM tap water safe to drink?

Ruidoso Downs's water quality earned a grade of A- (89.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #6 out of 163 cities tested in New Mexico.

What contaminants are in Ruidoso Downs's water?

Lead was measured at 1.5 ppb (90th percentile). 37 violations are on record.

How is Ruidoso Downs'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 Ruidoso Downs?

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

Where does Ruidoso Downs's water come from?

Ruidoso Downs's water is sourced from Groundwater. The city has 1 water system serving approximately 2,146 residents.

What health violations has Ruidoso Downs's water system had?

Ruidoso Downs has 3 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

Is Ruidoso Downs's groundwater at risk of contamination?

Ruidoso Downs 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 37 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 Ruidoso Downs's water compare to other cities?

Ruidoso Downs ranks #6 out of 163 cities in New Mexico (better than 96% of state cities) and #2505 out of 15744 cities nationally (84th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ruidoso Downs's small water system affect quality?

Ruidoso Downs's system serves approximately 2,146 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 37 violations on record.