Douglas, NV
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 Douglas in Nevada · Population: 49,624
TRI sites such as Aervoe LLC; Os Operations LLC; SDWIS systems such as GARDNERVILLE RANCHOS GID; DOUGLAS COUNTY CARSON VALLEY SYSTEM; INDIAN HILLS GID anchor Douglas, NV's EPA extract. Derived burden score 27/100 (Low 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 Douglas include KINGSBURY GID; GLENBROOK WATER COOPERATIVE INC; Washoe Tribe Dresslerville Community, while Aervoe LLC leads reported TRI pounds among local Form R filers. AQS median AQI 22 / peak 76 in 2024.
Burden score 27/100 (Low 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 Douglas -- 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 Douglas, NV: EPA TRI 2023 reporting year
Same facilities, both years
+5.0%
1 facilities that filed in 2022 and 2023
Whole inventory
+5.0%
537 lb → 564 lb, every facility that filed
- Douglas, NV's total reported releases rose from 537 lb in 2022 to 564 lb in 2023, based on EPA TRI filings.
- Douglas, NV's air releases rose from 537 lb in 2022 to 564 lb in 2023, based on EPA TRI filings.
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 | 308 (90%) | 34 | 0 | 76 |
| 2023 | 296 (82%) | 63 | 0 | 73 |
| 2022 | 295 (83%) | 55 | 1 | 195 |
| 2021 | 279 (76%) | 53 | 7 | 279 |
| 2020 | 286 (78%) | 63 | 6 | 274 |
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 Nevada, see the EPA's AirNow.gov.
Water Systems (29)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| GARDNERVILLE RANCHOS GID | 11,300 | 0 |
| DOUGLAS COUNTY CARSON VALLEY SYSTEM | 6,488 | 0 |
| INDIAN HILLS GID | 5,962 | 0 |
| GARDNERVILLE WATER COMPANY | 5,800 | 0 |
| KINGSBURY GID | 3,839 | 1 |
| TOWN OF MINDEN | 3,500 | 0 |
| CAVE ROCK SKYLAND | 1,267 | 0 |
| ZEPHYR COVE WATER UTILITY DISTR | 1,209 | 0 |
| ROUND HILL GID | 1,200 | 0 |
| FAIRGROUNDS/SUNRISE ESTATES | 1,011 | 0 |
| GLENBROOK WATER COOPERATIVE INC | 1,000 | 1 |
| Washoe Tribe Dresslerville Community | 452 | 1 |
| Washoe Tribe Carson Colony | 450 | 2 |
| FOOTHILL WATER SYSTEM | 346 | 0 |
| ELK POINT COUNTRY CLUB | 325 | 12 |
| Washoe Tribe Woodfords | 250 | 0 |
| HOLBROOK STATION RV AND MHP | 180 | 1 |
| SIERRA ESTATES GID | 170 | 0 |
| Washoe Tribe Stewart | 150 | 1 |
| GULF COAST TRADES CENTER | 150 | 1 |
| WADSWORTH MOBILE HOME PARK | 90 | 1 |
| UPPAWAY WATER SYSTEM | 85 | 0 |
| RIVERVIEW MOBILE HOME PARK | 59 | 0 |
| WOODFORDS MUTUAL WATER COMPANY | 50 | 2 |
| LOGAN CREEK ESTATES GID | 50 | 2 |
| SIERRA COUNTRY ESTATES | 47 | 10 |
| MOUNTAIN VIEW MHP | 45 | 0 |
| TOPAZ LAKE WATER CO INC | 40 | 4 |
| PINION PINES MHP | 30 | 2 |
TRI Facilities (2)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Aervoe LLC | 4.6K lbs |
| 2 | Os Operations LLC | 91 lbs |
Cities in Douglas (5)
Frequently Asked Questions
What is the environmental risk level in Douglas, Nevada? ▼
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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.
Read our methodology - how this data is sourced, computed, and verified.