PlainWater
Counties → New Mexico

Sierra County, New Mexico

Water Systems
22
Population Served
11,599
Total Violations
1,962
366 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

95.5%
Systems with Violations
89.2
Avg Violations per System
18.7%
Health-Based Violations

Water Source Types

GW
22 systems (100%)

PFAS Contamination

2
Systems Tested
2
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Sierra New Mexico water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (21)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Truth OR Consequences 6,783 169 Clean
Elephant Butte Water System 2,286 19 Detected
Elephant Butte, City Of 1,350 49 -
Desert View RV Park 220 1 -
Hillsboro Mdwca 167 59 -
National Rcs Test Facility 100 0 -
Dam Site Historic District 98 186 -
Caballo Lake Mdwca 95 197 -
Lakeview RV Park 66 302 -
Monticello Canyon Dwca 63 49 -
Elephant Butte Lake State Park 50 55 -
Desertaire Water Company 48 606 -
Truth OR Consequences Municipal Airport 40 14 -
Rock Canyon Recreation Area 33 17 -
Monticello RV Park 25 31 -
South Monticello Recreation Area 25 22 -
Spaceport America 25 9 -
Caballo Lake RV Park 25 1 -
Caballo Lakeside Campground-State Parks 25 17 -
Percha Dam State Park 25 7 -
Bureau of Reclamation 25 105 -
Caballo Riverside Campground-State Park 25 47 -

Other Counties in New Mexico

Bernalillo County
82 systems · 651,858 served · 15,222 violations
Dona Ana County
68 systems · 251,275 served · 7,336 violations
Santa Fe County
84 systems · 146,927 served · 11,238 violations
Sandoval County
62 systems · 135,220 served · 12,440 violations
San Juan County
22 systems · 103,721 served · 5,118 violations
Otero County
55 systems · 71,033 served · 7,026 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Sierra County? ▼
Sierra County has 1,962 total drinking water violations across 22 water systems, of which 366 are health-based violations. 95.5% of systems have at least one violation.
How many people get water from Sierra County systems? ▼
Water systems in Sierra County serve approximately 11,599 people through 22 public water systems.
Has PFAS been detected in Sierra County water? ▼
Of 2 water systems tested for PFAS in Sierra County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Sierra County? ▼
Water systems in Sierra County use GW (22 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 18.7% of Sierra County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.