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Gila, AZ

Moderate Risk (56/100)

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. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.

Environmental data for Gila in Arizona · Population: 53,610

TRI sites such as Freeport-McMoran Miami Inc; Asarco LLC Ray Complex/ Hayden Smelter & Concentrator; Pinto Valley Mine; SDWIS systems such as PAYSON TOWN OF; WMATUA Miner Flat; SCUA Upper Seven Mile; NPL sites such as Mountain View Mobile Home Estates anchor Gila, AZ's EPA extract. Derived burden score 56/100 (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 Gila include WMATUA Miner Flat; SCUA Upper Seven Mile; GLOBE CITY OF, while Freeport-McMoran Miami Inc leads reported TRI pounds among local Form R filers. AQS median AQI 50 / peak 159 in 2024.

Burden score 56/100 (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 Gila -- 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.

Release-over-release change

What changed for Gila, AZ: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+129.2%

5 facilities that filed in 2022 and 2023

Whole inventory

+129.2%

37.0 million lb → 84.9 million lb, every facility that filed

  • Gila, AZ's total reported releases rose from 37.0 million lb in 2022 to 84.9 million lb in 2023, based on EPA TRI filings.
  • Gila, AZ's land releases rose from 36.4 million lb in 2022 to 84.1 million lb in 2023, based on EPA TRI filings.
  • Gila, AZ's water releases fell from 776 lb in 2022 to 291 lb in 2023, based on EPA TRI filings.
  • Gila, AZ's off-site transfers rose from 402.8 thousand lb in 2022 to 535.9 thousand lb in 2023, based on EPA TRI filings.
County population (Census ACS)
53,610
TRI Facilities
5
Water Systems
47
Superfund Sites
1
Total Releases
240.9M lbs

Air Quality History (2020–2024)

EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.

Year Good Moderate Unhealthy (SG) Max AQI
2024 193 (53%) 144 27 159
2023 232 (64%) 121 11 154
2022 245 (67%) 102 16 177
2021 239 (65%) 116 8 180
2020 256 (70%) 99 8 174
2024 Good Air Quality: 53% of days
Unhealthy days: 29
Median AQI: 50

Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)

For real-time air quality readings and pollutant breakdowns in Arizona, see the EPA's AirNow.gov.

Water Systems (47)

System System pop (SDWIS) Violations
PAYSON TOWN OF 17,682 0
WMATUA Miner Flat 15,570 5
SCUA Upper Seven Mile 8,478 72
PINE STRAWBERRY WID 8,013 0
GLOBE CITY OF 7,536 2
SCUA Bylas 3,160 34
WMATUA Hondah-McNary 2,988 1
WMATUA Cibecue 2,590 5
Tonto Apache 2,580 0
TONTO BASIN WATER - LR GARDENS WEST 1,172 6
TOWN OF STAR VALLEY WATER DEPARTMENT 1,157 0
PAYSON WATER - MESA DE CABALLO 976 0
SCUA Lower Peridot 702 13
Dishchii Bikoh Community School - BIA Charter 622 21
TONTO BASIN WATER - CACTUS FOREST 613 9
SCUA Beverly Hills 612 5
NAVAJO WATER - SUMMER PINES 580 0
SCUA Cutter 574 0
HAYDEN TOWN OF 517 0
TONTO BASIN WATER ROOSEVELT LAKE ESTATES 508 0
GISELA 508 0
PAYSON WATER - WHISPERING PINES 403 0
PAYSON WATER - EAST VERDE ESTATES 375 37
SCUA Lower Peridot Bush 342 9
PAYSON WATER - DEER CREEK 308 0
SCUA Upper Peridot 275 6
SCUA Skill Center 234 0
WMATUA Carrizo 228 1
GERONIMO ESTATES 212 0
RIM TRAIL DWID 200 10
NAVAJO WATER - CHAPARRAL PINES 198 3
PINE CREEK CANYON DWID 173 1
PAYSON WATER - MEADS RANCH 172 0
NORTH BAY ESTATES 156 3
BEAVER VALLEY WATER COMPANY 150 2
ARROYO WATER COMPANY 150 0
CANYON WATER IMPROVEMENT DISTRICT 130 2
LAKE ROOSEVELT GARDENS EAST 121 0
PONDEROSA WATER, L.L.C 117 8
VERDE GLEN DWID 117 1
PINE WATER ASSOCIATION DWID 100 7
SOLITUDE TRAILS DWID 90 0
NAVAJO WATER - LAGUNA ESTATES 89 0
PAYSON WATER - FLOWING SPRINGS 86 0
BONITA CREEK WATER COMPANY 65 3
ARAVAIPA WATER COMPANY 60 4
JAKES CORNER WATER SYSTEM 35 4

TRI Facilities (5)

# Facility Total Releases
1 Freeport-McMoran Miami Inc 129.3M lbs
2 Asarco LLC Ray Complex/ Hayden Smelter & Concentrator 67.4M lbs
3 Pinto Valley Mine 44.2M lbs
4 Carlota Copper Co 51.7K lbs
5 Cal-Chem Metals Inc 1.3K lbs

Superfund Sites (1)

Site Name Status HRS Score
Mountain View Mobile Home Estates Deleted NPL Site 0.00

Cities in Gila (9)

Miami
2 facilities · 0 water
Globe
1 facilities · 2 water
Hayden
1 facilities · 2 water
Claypool
1 facilities · 0 water
Payson
0 facilities · 25 water
San Carlos
0 facilities · 8 water
Whiteriver
0 facilities · 5 water
Pine
0 facilities · 4 water
Strawberry
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Gila, Arizona? ▼
Gila, AZ has an environmental risk score of 56/100 (Moderate Risk), based on 5 TRI facilities, 1 Superfund sites, and 47 water systems on record. 27 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Gila? ▼
Yes, Gila, AZ has 1 Superfund site 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 Gila? ▼
Gila, AZ has 5 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 240.9M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Gila? ▼
In 2024, Gila, AZ recorded a median AQI of 50 and a peak AQI of 159. 53% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Gila? ▼
Gila, AZ has 47 EPA-regulated water systems. 27 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 Gila? ▼
Environmental compliance in Gila, Arizona is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Arizona 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