Environment
Mellette Elementary - 07 — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Mellette Elementary - 07 in Watertown, South Dakota.
Latest Air Quality Index
42
Good · monitor 1.3 km away
PM2.5 annual7.6 µg/m³
Water health violations 10yr3
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
42
AQI latest — Good
42
AQI 7-day avg
3
Days unhealthy in last 90
7.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
34.9
Ozone annual ppb
Public Water System
WATERTOWN MUNICIPAL UTILITIES · PWS SD4600356
3
Health-based violations (10yr)
0
Acute violations (10yr)
23,230
Population served
02 (health-based)
Most recent violation type
2016-07-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
22
TRI sites within 5 miles
137.9 mi
Nearest Superfund (NPL)
PERHAM ARSENIC SITE
0.5 mi
Nearest brownfield
HAIDER PROPERTY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).