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Mckinley, NM

Moderate Risk (48/100)

Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.

Environmental data for Mckinley in New Mexico · Population: 71,172

TRI sites such as Western Refining Southwest Inc-Gallup Refinery; Tri-State Generation & Transmission - Escalante Station; McKinley Paper & Packaging - Nm Paper Mill; SDWIS systems such as GALLUP WATER SYSTEM; GAMERCO WATER & SANITATION; THOREAU WATER & SANITATION DISTRICT; NPL sites such as Prewitt Abandoned Refinery; United Nuclear Corp. anchor Mckinley, NM's EPA extract. Derived burden score 48/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

Health-flagged SDWIS rows in Mckinley include GAMERCO WATER & SANITATION; THOREAU WATER & SANITATION DISTRICT; Thoreau High School, while Western Refining Southwest Inc-Gallup Refinery leads reported TRI pounds among local Form R filers. No AQS county monitors report here.

Burden score 48/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Mckinley -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.

County population (Census ACS)
71,172
TRI Facilities
3
Water Systems
22
Superfund Sites
2
Total Releases
359.7K lbs

Water Systems (22)

System System pop (SDWIS) Violations
GALLUP WATER SYSTEM 20,880 0
GAMERCO WATER & SANITATION 1,744 14
THOREAU WATER & SANITATION DISTRICT 1,173 6
Crownpoint Boarding School BIA 1,024 0
Thoreau High School 746 15
YAH TA HEY W & SD 435 9
WHISPERING CEDARS WATER ASSOCIATION 425 10
Chuska Community Boarding School BIA 348 0
BLUEWATER ACRES WUA 331 2
WHITE CLIFFS MDWUA 323 4
Tohatchi Public School 240 0
TOP OF THE WORLD WATER ASSOCIATION CORP 177 32
Mariano Lake Community School BIA 160 3
BLUEWATER LAKE MDWCA 135 3
Beclabito Day School BIA 120 0
COAL BASIN DWUA 116 15
D & S TRAILER RANCH 109 13
BLOCK A WELL CO-OP 92 16
Ramona Smith Water Users Group Inc 77 0
CEDAR RIDGE TRAILER PARK 65 30
SAGEBRUSH WATER CO-OP 54 20
MANUELITO NAVAJO CHILDRENS HOME 35 4

TRI Facilities (3)

# Facility Total Releases
1 Western Refining Southwest Inc-Gallup Refinery 195.5K lbs
2 Tri-State Generation & Transmission - Escalante Station 163.8K lbs
3 McKinley Paper & Packaging - Nm Paper Mill 355 lbs

Superfund Sites (2)

Site Name Status HRS Score
Prewitt Abandoned Refinery NPL Site 44.24
United Nuclear Corp. NPL Site 30.36

Cities in Mckinley (12)

Prewitt
2 facilities · 1 water
Gallup
1 facilities · 5 water
Thoreau
0 facilities · 3 water
Tohatchi
0 facilities · 3 water
Continental Divide
0 facilities · 2 water
Crownpoint
0 facilities · 2 water
Mentmore
0 facilities · 2 water
Gamerco
0 facilities · 1 water
Jamestown
0 facilities · 1 water
Shiprock
0 facilities · 1 water
Yah-tah-hey
0 facilities · 1 water
Church Rock
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Mckinley, New Mexico? ▼
Mckinley, NM has an environmental risk score of 48/100 (Moderate Risk), based on 3 TRI facilities, 2 Superfund sites, and 22 water systems on record. 16 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Mckinley? ▼
Yes, Mckinley, NM has 2 Superfund sites on the EPA National Priorities List (NPL). Superfund sites are contaminated locations that require long-term cleanup under the EPA Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
How many toxic release facilities are in Mckinley? ▼
Mckinley, NM has 3 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 359.7K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Mckinley? ▼
Air quality monitoring data (EPA AQS) is not available for Mckinley, NM. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Mckinley? ▼
Mckinley, NM has 22 EPA-regulated water systems. 16 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Mckinley? ▼
Environmental compliance in Mckinley, New Mexico is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the New Mexico state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

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

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro