Current Health-Based Noncompliance NM 5 HEALTH-BASED VIOLATIONS ON RECORD

Coal Basin Dwua

EPA ID: NM3508217 ยท 116 people served ยท 2 ZIP codes

ZipCheckup's reading of EPA records for Coal Basin Dwua (NM3508217): 5 violations recorded with unresolved status in the SDWIS data used. Coal Basin Dwua's EPA file includes 5 unresolved violations; the utility supplies water to approximately 116 residents.

Data: EPA SDWIS

116
People Served
2
ZIP Codes Served
9
Violations (since 2021)
Groundwater
Water Source
0.003 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2024-06-30)
3
Contaminants Flagged
$86K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Coal Basin Dwua Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$46,651
Median Household Income
26,528
Population of ZIP Codes Served (Census)
82%
Disadvantaged Population
90th
Poverty Percentile
70th
Energy Burden Percentile
54%
Pre-1986 Housing

The ZIP codes associated with Coal Basin Dwua have a median household income of $46,651 and about 26,528 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: On average, 82% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Coal Basin Dwua's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
10th
Wastewater Discharge Proximity
30th
Superfund Site Proximity

Infrastructure Risk

40 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
30 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 57% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in New Mexico

Vadito Mdwca
111 people
7 violations
Tecolote Mdwca
126 people
11 violations
1 violation
5 violations
Chupadero Mdwca
131 people
11 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Lead Pipe Replacement Water Filtration
Lead Pipe Replacement $2,040
Water Filtration $600
Total Estimated Cost $2,640

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $1,000

Annual per household (ZipCheckup estimate)

Lead Exposure - Child Lifetime Cost $10,000

Per affected child (estimate)

Estimated Property Value Decline $4,298

5% of median home value (ZipCheckup estimate)

Estimated Cumulative Cost Per Household

5 years
$9,930
10 years
$19,860
20 years
$39,720

Compare: Estimated remediation cost is $2,640 (one-time) vs. $19,860 in estimated inaction costs over 10 years.

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

System Overview

Coal Basin Dwua (EPA ID: NM3508217) is a community water system in New Mexico that serves approximately 116 people from groundwater sources.

This system provides water to 2 ZIP codes across 2 communities.

Violation History

3 current health-based noncompliance records in the accepted 2026Q2 snapshot.

Status breakdown for accepted records with record years 2021-2026: 4 resolved, 0 archived, 0 addressed, and 5 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
October 1, 2025 Lead and Copper Rule Non-health-based Unaddressed (current)
August 23, 2025 Public Notice Non-health-based Unaddressed (current)
October 23, 2024 Groundwater Rule Health-based Unaddressed (current)
October 23, 2024 Groundwater Rule Health-based Unaddressed (current)
October 23, 2024 Groundwater Rule Health-based Resolved
October 23, 2024 Groundwater Rule Health-based Resolved
October 23, 2024 Groundwater Rule Health-based Unaddressed (current)
January 1, 2023 Lead and Copper Rule Non-health-based Resolved
July 1, 2022 Lead and Copper Rule Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Groundwater Rule Other Violation 5 Yes
Public Notice Monitoring & Reporting 3 No
Public Notice Other (notice or report rule) 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0.003 mg/L No 2024-06-30
Lead exceeds EPA action level in at least one sampling location. Consider using a certified NSF/ANSI 53 or NSF/ANSI 58 filter rated for lead removal.

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NM or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Coal Basin Dwua (NM3508217) on EPA.gov.

Frequently Asked Questions

Is Coal Basin Dwua water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 3 current health-based noncompliance records for Coal Basin Dwua. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.

How many people does Coal Basin Dwua serve?

Coal Basin Dwua serves approximately 116 people across 2 ZIP codes in New Mexico.

Where does Coal Basin Dwua get its water?

The primary water source is groundwater.

Frequently Asked Questions

Should I use a water filter? ▼
Given 9 recorded violations, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does Coal Basin Dwua serve? ▼
Coal Basin Dwua serves approximately 116 people with drinking water across 2 ZIP codes.
What is Coal Basin Dwua's water source? ▼
Coal Basin Dwua draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Coal Basin Dwua's water? ▼
The most recent 90th-percentile lead result on record is 0.003 mg/L (sample period ending 2024-06-30). This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with Coal Basin Dwua? ▼
The ZIP codes mapped to Coal Basin Dwua have a median household income of $46,651 (Census ZIP-code estimate). In CEJST data, 82% of census tracts in the counties mapped to this area are designated disadvantaged (average across mapped ZIP codes), which may indicate greater vulnerability to environmental health risks.
Where does Coal Basin Dwua get its water? ▼
Coal Basin Dwua's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. The available violation history and environmental indicators place this system in the elevated review category; they do not measure current source contamination.

How to cite this page

APA ZipCheckup. (n.d.). Coal Basin Dwua (NM): 5 Health Violations. https://zipcheckup.com/water-system/nm3508217/
BibTeX
@misc{zipcheckup-water-system-nm3508217,
  author = {{ZipCheckup}},
  title  = {{Coal Basin Dwua (NM): 5 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/nm3508217/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Coal Basin Dwua (EPA ID: NM3508217) - request the latest Consumer Confidence Report or ask about specific contaminants.

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