PlainEnviro

Nevada, CA

Low Risk (16/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.

Environmental data for Nevada in California · Population: 102,452

Nevada, CA is tracked across three EPA datasets covering 1 Toxics Release Inventory (TRI) facility, 21 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 16/100 (Low Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 0 lbs of reported toxic releases under EPCRA Section 313, while 5 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 36 and a peak AQI of 132 in 2024, with 86% of observed days rated "Good" (0–50).

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
102,452
TRI Facilities
1
Water Systems
21
Superfund Sites
0
Total Releases
0 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 313 (86%) 50 2 132
2023 282 (78%) 81 0 97
2022 185 (51%) 161 11 293
2021 183 (50%) 129 34 326
2020 223 (61%) 111 15 277
2024 Good Air Quality: 86% of days
Unhealthy days: 2
Median AQI: 36

Source: EPA Air Quality System (AQS) Annual AQI by County 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 California, see the EPA's AirNow.gov.

Water Systems (21)

System Population Violations
TRUCKEE-DONNER PUD, MAIN 36,730 0
NEVADA ID - E. GEORGE, BANNER MOUNTAIN 17,154 0
NORTHSTAR C.S.D. 15,452 0
NEVADA ID - LOMA RICA 14,072 0
NEVADA ID - LAKE WILDWOOD 9,108 0
NEVADA ID - LAKE OF PINES 6,870 0
NEVADA ID - NORTH AUBURN 6,870 0
CITY OF GRASS VALLEY 4,947 0
NORTHSTAR CSD - MARTIS VALLEY 4,493 0
CITY OF NEVADA CITY 3,148 3
SIERRA LAKES COUNTY WATER DIST 824 0
WASHINGTON WATER DISTRICT 330 2
CREEKSIDE VILLAGE 300 0
SIERRA CITY WATER WORKS, INC. 250 0
ANANDA VILLAGE 222 3
NEVADA ID - SMARTSVILLE 122 0
SIERRA ESTATES MUTUAL WATER COMPANY 100 2
TRUCKEE-DONNER PUD - HIRSCHDALE 85 0
WASHINGTON RIDGE C.C. 62 0
CHRISTIAN ENCOUNTER MINISTRIES 35 0
YULICA 25 3

TRI Facilities (1)

# Facility Total Releases
1 Truckee North Tahoe Materials Ready Mix Plant 0 lbs

Frequently Asked Questions

What is the environmental risk level in Nevada, California? ▼
Nevada, CA has an environmental risk score of 16/100 (Low Risk), based on 1 TRI facilities, 0 Superfund sites, and 21 water systems on record. 5 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Nevada? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Nevada, CA in the EPA database.
How many toxic release facilities are in Nevada? ▼
Nevada, CA has 1 TRI-reporting facility on record with the EPA Toxic Release Inventory. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Nevada? ▼
In 2024, Nevada, CA recorded a median AQI of 36 and a peak AQI of 132. 86% 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 Nevada? ▼
Nevada, CA has 21 EPA-regulated water systems. 5 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 Nevada? ▼
Environmental compliance in Nevada, California is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the California 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