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States → New Mexico

Non-Transient Non-Community Water System · PWS NM3567424

Enterprise Products Company Chaco Plant

Farmington, New Mexico 87401 - drinking water served from surface water sources to 28 people, tracked in EPA SDWIS and UCMR5.

28
People served
53
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 53 drinking-water violations at Enterprise Products Company Chaco Plant, 8% of them health-based - below the New Mexico per-system average.

53
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
28
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Enterprise Products Company Chaco Plant

Enterprise Products Company Chaco Plant is a private-owned non-transient non-community water system that delivers drinking water to 28 residents in Farmington, New Mexico (San Juan County) through 9 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 53 total violations for this system , of which 4 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New Mexico, EPA tracks 1,037 public water systems serving 2,027,497 people, with 154,522 cumulative violations and 38,650 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149 violations. Statewide, 70 of 72 UCMR5-tested systems have reported PFAS detections (97.2%).

Enterprise Products Company Chaco Plant's 53 violations sit below the New Mexico average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
28
Total Violations
53
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
9
County
San Juan
School/Daycare
No
MCL Violations
0
Monitoring Violations
32
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2015
Surface Water Treatment Rule MR 6 1998
Surface Water Treatment Rule TT 4 2009
Total Haloacetic Acids (HAA5) MR 4 2014
Interim Enhanced Surface Water Treatment Rule MR 4 2019
Coliform (TCR) MR 4 1994
TTHM MR 4 2014

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Enterprise Products Company Chaco Plant.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NM3567424 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Mexico Drinking Water Authority

New Mexico's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NM regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2019 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / NM3567424 / 0300
2015 Lead and Copper Rule MR 10 SDWIS / NM3567424 / 5000
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / NM3567424 / 2456
2014 TTHM MR 4 SDWIS / NM3567424 / 2950
2009 Surface Water Treatment Rule TT 4 SDWIS / NM3567424 / 0200
1998 Surface Water Treatment Rule MR 6 SDWIS / NM3567424 / 0200
1994 Coliform (TCR) MR 4 SDWIS / NM3567424 / 3100

How Enterprise Products Company Chaco Plant Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Enterprise Products Company Chaco Plant New Mexico avg Federal benchmark
Total violations 53 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 37.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 97.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 28 1,955 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,037 regulated public water systems in New Mexico.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Enterprise Products Company Chaco Plant water safe to drink? ▼
Enterprise Products Company Chaco Plant (PWS ID: NM3567424) has 53 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 28 people using Surface Water sources.
How many people does Enterprise Products Company Chaco Plant serve? ▼
Enterprise Products Company Chaco Plant serves 28 people in Farmington, New Mexico. It is a Private-owned system using Surface Water water sources with 9 service connections.
What type of violations does Enterprise Products Company Chaco Plant have? ▼
Enterprise Products Company Chaco Plant has 53 total violations: 4 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Enterprise Products Company Chaco Plant water? ▼
No PFAS testing data is available for Enterprise Products Company Chaco Plant under the EPA's UCMR5 monitoring program.
What water source does Enterprise Products Company Chaco Plant use? ▼
Enterprise Products Company Chaco Plant uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.