PlainEnviro

Humboldt, NV

Moderate Risk (45/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against every other tracked county rather than against fixed national thresholds.

Environmental data for Humboldt in Nevada · Population: 17,299

Humboldt, NV is tracked across three EPA datasets covering 8 Toxics Release Inventory (TRI) facilities, 8 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 45/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 188.0M lbs of reported toxic releases under EPCRA Section 313, while 2 water systems carry an active health-based violation in the SDWIS record. No EPA Air Quality System monitors currently report data for this county.

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

Population
17,299
TRI Facilities
8
Water Systems
8
Superfund Sites
0
Total Releases
188.0M lbs

Water Systems (8)

System Population Violations
WINNEMUCCA CITY OF 8,518 0
GOLD COUNTRY ESTATES 1,695 0
STAR CITY PROPERTIES 285 0
VALLEY VIEW RV PARK 250 0
GOLCONDA GID 210 0
MCDERMITT WATER SYSTEM 200 20
OROVADA WATER DISTRICT 200 0
VALMY STATION MOBILE HOME PARK 96 2

TRI Facilities (8)

# Facility Total Releases
1 Nevada Gold Mines LLC - Turquoise Ridge 180.8M lbs
2 Marigold Mining Co 6.2M lbs
3 Sierra Pacific Power Co North Valmy Station 754.1K lbs
4 Hycroft Mine 240.1K lbs
5 Cyanco Co LLC 37.7K lbs
6 Goldcorp Dee LLC - Lone Tree Mine 12.8K lbs
7 Granite Creek Mine 5.3K lbs
8 Carry-On Trailer Corp 586 lbs

Cities in Humboldt (3)

Golconda
Pop: -
2 facilities · 1 water
Valmy
Pop: -
3 facilities · 1 water
Winnemucca
Pop: -
4 facilities · 5 water

Frequently Asked Questions

What is the environmental risk level in Humboldt, Nevada? ▼
Humboldt, NV has an environmental risk score of 45/100 (Moderate Risk), based on 8 TRI facilities, 0 Superfund sites, and 8 water systems on record. 2 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Humboldt? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Humboldt, NV in the EPA database.
How many toxic release facilities are in Humboldt? ▼
Humboldt, NV has 8 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 188.0M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Humboldt? ▼
Air quality monitoring data (EPA AQS) is not available for Humboldt, NV. 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 Humboldt? ▼
Humboldt, NV has 8 EPA-regulated water systems. 2 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 Humboldt? ▼
Environmental compliance in Humboldt, Nevada is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Nevada 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 Editorial