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States → New Mexico

Transient Non-Community Water System · PWS NM3580217

Gallup Port of Entry

Gallup, New Mexico 87305 - drinking water served from groundwater sources to 1,500 people, tracked in EPA SDWIS and UCMR5.

1,500
People served
227
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 227 drinking-water violations at Gallup Port of Entry, 5% of them health-based - above the New Mexico per-system average.

227
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
1,500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gallup Port of Entry

Gallup Port of Entry is a state-owned transient non-community water system that delivers drinking water to 1,500 residents in Gallup, New Mexico (McKinley County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 227 total violations for this system , of which 11 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 165 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 158 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%).

Gallup Port of Entry's 227 violations sit above 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
1,500
Total Violations
227
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
1
County
McKinley
School/Daycare
No
MCL Violations
0
Monitoring Violations
165
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 158 2016
Public Notice Other 26 2020
Groundwater Rule TT 11 2019
Revised Total Coliform Rule MON 7 2020
Coliform (TCR) Other 6 2003
Groundwater Rule Other 5 2019
Revised Total Coliform Rule Other 3 2016

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 Gallup Port of Entry.

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 NM3580217 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
2020 Public Notice Other 26 SDWIS / NM3580217 / 7500
2020 Revised Total Coliform Rule MON 7 SDWIS / NM3580217 / 8000
2019 Groundwater Rule TT 11 SDWIS / NM3580217 / 0700
2019 Groundwater Rule Other 5 SDWIS / NM3580217 / 0700
2016 Coliform (TCR) MR 158 SDWIS / NM3580217 / 3100
2016 Revised Total Coliform Rule Other 3 SDWIS / NM3580217 / 8000
2003 Coliform (TCR) Other 6 SDWIS / NM3580217 / 3100

How Gallup Port of Entry Compares

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

Metric Gallup Port of Entry New Mexico avg Federal benchmark
Total violations 227 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 1,500 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 Gallup Port of Entry water safe to drink? ▼
Gallup Port of Entry (PWS ID: NM3580217) has 227 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,500 people using Groundwater sources.
How many people does Gallup Port of Entry serve? ▼
Gallup Port of Entry serves 1,500 people in Gallup, New Mexico. It is a State-owned system using Groundwater water sources with 1 service connections.
What type of violations does Gallup Port of Entry have? ▼
Gallup Port of Entry has 227 total violations: 11 health-based violations (MCL exceedances or treatment failures), 165 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gallup Port of Entry water? ▼
No PFAS testing data is available for Gallup Port of Entry under the EPA's UCMR5 monitoring program.
What water source does Gallup Port of Entry use? ▼
Gallup Port of Entry uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.