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Amador, CA

Moderate Risk (35/100)

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 Amador in California · Population: 41,029

TRI sites such as Ampine: a Div of Timber Products; Specialty Granules (ione) LLC; SDWIS systems such as CITY OF WEST SACRAMENTO; AWA BUCKHORN PLANT; AWA, IONE; NPL sites such as Argonaut Mine anchor Amador, CA's EPA extract. Derived burden score 35/100 (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 Amador include CITY OF WEST SACRAMENTO; AWA BUCKHORN PLANT; AWA, IONE, while Ampine: a Div of Timber Products leads reported TRI pounds among local Form R filers. AQS median AQI 40 / peak 143 in 2024.

Burden score 35/100 (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 Amador -- 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)
41,029
TRI Facilities
2
Water Systems
20
Superfund Sites
1
Total Releases
26.4K 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 281 (78%) 72 6 143
2023 341 (95%) 19 0 80
2022 333 (91%) 30 1 112
2021 307 (84%) 54 4 133
2020 327 (91%) 29 2 156
2024 Good Air Quality: 78% of days
Unhealthy days: 6
Median AQI: 40

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 California, see the EPA's AirNow.gov.

Water Systems (20)

System System pop (SDWIS) Violations
CITY OF WEST SACRAMENTO 53,355 1
AWA BUCKHORN PLANT 8,791 1
AWA, IONE 7,227 8
CITY OF JACKSON 5,019 6
AWA, TANNER 4,940 1
JACKSON VALLEY IRRIGATION DISTRICT 3,553 0
AWA - CAMANCHE VILLAGE 2,402 0
CHRISTIAN VALLEY PARK CSD 1,800 0
PINE GROVE COMM SERV DIST 1,141 4
PLYMOUTH, CITY OF 1,060 2
FIRST MACE MEADOW # 1 838 4
RIVER PINES PUD 574 1
HOPE FOUNDATION/MORIAH HEIGHTS 299 5
FIRST MACE MEADOWS UNIT NO. 2 230 0
DRYTOWN COUNTY WATER DISTRICT 221 1
AWA LA MEL HEIGHTS #3 188 2
VOLCANO COMMUNITY SERVICE DIST 103 0
FIDDLETOWN COMMUNITY SERVICE 100 3
SUTTER PINES MHP 40 0
IONE BAND OF MIWOK INDIANS 40 0

TRI Facilities (2)

# Facility Total Releases
1 Ampine: a Div of Timber Products 26.4K lbs
2 Specialty Granules (ione) LLC 0 lbs

Superfund Sites (1)

Site Name Status HRS Score
Argonaut Mine NPL Site 58.31

Cities in Amador (8)

Sutter Creek
1 facilities · 6 water
Ione
1 facilities · 2 water
Pine Grove
0 facilities · 3 water
Plymouth
0 facilities · 3 water
Jackson
0 facilities · 2 water
Fiddletown
0 facilities · 1 water
River Pines
0 facilities · 1 water
Volcano
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Amador, California? ▼
Amador, CA has an environmental risk score of 35/100 (Moderate Risk), based on 2 TRI facilities, 1 Superfund sites, and 20 water systems on record. 13 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Amador? ▼
Yes, Amador, CA 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 Amador? ▼
Amador, CA has 2 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 26.4K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Amador? ▼
In 2024, Amador, CA recorded a median AQI of 40 and a peak AQI of 143. 78% 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 Amador? ▼
Amador, CA has 20 EPA-regulated water systems. 13 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 Amador? ▼
Environmental compliance in Amador, 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