WaterVerge

Is Rociada, NM Tap Water Safe to Drink?

Graded F, with 52 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

500 residents served 1 water system PWSID: NM3574125
Overall Score
43 / 100
Violations
52 active
Last Updated
May 2026
Source
Groundwater
#128 of 163 in New Mexico Top 94% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
43/100
waterverge.com
F 43/100

Rociada, NM — Water Quality Report

Rociada's drinking water received a grade of F (43 out of 100), indicating failing water quality. The city's 1 water system serves approximately 500 residents using groundwater.

Lead levels were measured at 3.1 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 109 violations on record, including 45 health-based violations. 52 remain unresolved.

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

What to know about Rociada's water

Rociada ranks #128 out of 163 cities in New Mexico for water quality, placing it among the lowest-rated in the state.

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

The system has seen 16 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
43 out of 100 Grade F
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Rociada, NM water safe to drink?

Concerns Identified

Rociada's drinking water has significant quality concerns based on EPA testing data. With a grade of F (43/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 500 residents using groundwater (wells).

52
Active Violations
3.1 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Rociada

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Rociada's water quality assessment. Grade: F (43/100).

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: Lead and Copper Rule, Consumer Confidence Rule.

Disaster
SEVERE STORMS, FLOODING, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4152). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3229). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 3.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Rociada's water system has 109 total violations on record, including 45 health-based violations. 52 remain unresolved. 16 violations were issued in the last 5 years.

MROtherTTRPTMONMCL
Most recent violations:
Nov 2025 E. COLI Open
Oct 2025 Consumer Confidence Rule Open
Jul 2025 Lead and Copper Rule Open
Jul 2025 Consumer Confidence Rule Open
Nov 2024 Groundwater Rule Open

Flood & environmental risk

San Miguel County has experienced 5 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 La Casa Above Cleveland, Sapello River, Sapello River Above Sapello, Daily Creek, Maestas Creek.

SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4152
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3229
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA DR-589

Where does Rociada's water come from?

Rociada's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 500 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 La Casa Above Cleveland (river), Sapello River (river), Sapello River Above Sapello (river), Daily Creek (river), Maestas Creek (river).

What Rociada residents can do

Install a water filter

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

Monitor alerts during storms

Rociada'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
3.1 ppb
EPA Action Level: 15 ppb · 21% of limit
Safe Level
Compliance Record

Violation summary

109
Total violations
45
Health-based
52
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

109 Total
52 Active
45 Health-based
57 Resolved
Violations by category
Inorganic Chemicals
33
Public Notice Rule and Revised PN Rule
24
Consumer Confidence Rule
11
Total Coliform Rule
11
Ground Water Rule
8
Nov 2025 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Nov 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2024 Active
Groundwater Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Jun 2016 Active
Revised Total Coliform Rule
Other Violation 0
Jan 2015 Active
Public Notice
Other Violation 0
Jan 2015 Active
Public Notice
Other Violation 0
Showing 20 of 109 violations
Environmental Risk

Drought conditions

D2 — severe drought

San Miguel 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.

6
Weeks at D2+ (current streak)
32.0%
Months in D2+ (last 30y)
6
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
Oct 2013
Most recent
Flood
Most common type

San Miguel County has experienced 5 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2013
SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4152
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3229
Jun 1979
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #589
May 1973
SEVERE STORMS, SNOW MELT & FLOODING
Flood FEMA #380
Jul 1965
SEVERE STORMS & FLOODING
Flood FEMA #202

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.1 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 4.0 ppb from 2005 (7.1 ppb) to 2025 (3.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
500
Water Systems
1
Water Source

Where Rociada's water comes from

Groundwater

Rociada'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 500 people through 1 water system.

Local Hydrology

Water bodies near Rociada

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

Rio La Casa Above Cleveland
river
Sapello River
river
Sapello River Above Sapello
river
Daily Creek
river
Maestas Creek
river
Infrastructure

Water systems serving Rociada

System Name PWSID Population Source
PENDARIES MDWCA NM3574125 500 GW
Regional Comparison

How Rociada compares

Full New Mexico rankings →

Rociada's score of 43/100 is on par with the average of 44/100 among major New Mexico cities. It outscores 7 of 10 nearby cities.

Rociada (this city)
43
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
City Profile

About Rociada, NM

Wikipedia →

Rociada is a settled area in San Miguel County, New Mexico, United States, located 27 miles northwest of Las Vegas, the county seat. Rociada's name means "sprinkled with dew" in Spanish, reflecting its relatively high-elevation, mild, and moist climate in the summer compared to hot and arid areas of Northern New Mexico.

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Frequently asked questions

Is Rociada, NM tap water safe to drink?

Rociada's water quality earned a grade of F (43/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #128 out of 163 cities tested in New Mexico.

What contaminants are in Rociada's water?

Lead was measured at 3.1 ppb (90th percentile). 109 violations are on record.

How is Rociada'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 Rociada?

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

Where does Rociada's water come from?

Rociada's water is sourced from Groundwater. The city has 1 water system serving approximately 500 residents.

What health violations has Rociada's water system had?

Rociada has 45 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 52 violations remain unresolved.

Is Rociada's groundwater at risk of contamination?

Rociada 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 109 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 Rociada's water compare to other cities?

Rociada ranks #128 out of 163 cities in New Mexico (better than 21% of state cities) and #14717 out of 15744 cities nationally (7th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Rociada's small water system affect quality?

Rociada's system serves approximately 500 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 109 violations on record.