26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
HAMILTON WWTP serves Hamilton, Montana, treating wastewater from approximately 4,363 residents. The plant discharges into the Bitterroot River watershed, a tributary of the Clark Fork River.
Deer Lodge WWTP serves 3,461 people in Powell County, Montana, as part of the municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge.
Gardiner WWTF serves approximately 4,300 people in Park County, Montana. The plant discharges treated wastewater into the Yellowstone River watershed, supporting local water quality and downstream ecosystems.
LIBBY WWTP serves the community of Libby, Montana, treating municipal wastewater. The plant is located inland, approximately 50 km from the coast, and discharges into the local watershed.
East Helena WWTP serves approximately 2,047 residents in East Helena, Montana. The facility discharges treated wastewater into the local watershed, ultimately draining into the Missouri River basin.
Rocky Boy Lagoon serves the Rocky Boy's Agency community in Montana, treating wastewater for approximately 4,400 people. The plant operates under U.S. EPA and Montana DEQ regulations for small wastewater systems.
ANACONDA Deer Lodge County wastewater treatment plant serves approximately 5,792 residents in Deer Lodge County, Montana. The facility operates under U.S. EPA and Montana state regulations for municipal wastewater.
DILLON WWTP serves approximately 4,134 residents in Dillon, Montana. The facility treats municipal wastewater and discharges into the local watershed, supporting downstream water quality in the Beaverhead River basin.
Polson WWTP serves approximately 4,593 residents in Polson, Montana. The plant operates under the US Clean Water Act, discharging treated wastewater into the local watershed.
Three Forks STP serves 1,869 people in Gallatin County, Montana. The plant treats wastewater from the Three Forks area before discharging into the local watershed.
BELGRADE LAGOONS serves about 5,500 people in Gallatin County, Montana. The facility treats wastewater using lagoon systems and discharges into the local watershed.
Miles City WWTP serves approximately 9,941 residents in Miles City, Montana. The plant discharges treated wastewater into the Yellowstone River basin, supporting local water quality and downstream ecosystems.
ABSAROKEE SEWER DIST RSID 5and7 WWTP serves approximately 1,200 people in Absarokee, Montana. The plant operates under the US Clean Water Act framework for small communities.
Red Lodge City of STP serves approximately 2,255 residents in Red Lodge, Montana. The plant operates under the US Clean Water Act, ensuring treated wastewater meets federal standards before discharge.
HAVRE WWTF serves approximately 9,621 people in Havre North, Montana. The plant operates under the U.S. Clean Water Act, which governs wastewater discharges to protect local water quality.
Laurel WWTP serves approximately 6,800 residents in Laurel, Montana. The plant discharges treated wastewater into the Yellowstone River basin, supporting local water quality.
Billings WWTP serves approximately 91,750 people in Yellowstone County, Montana. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities of this scale.
SIDNEY WWTF serves approximately 5,000 people in Richland County, Montana. The plant operates under U.S. EPA NPDES permitting, ensuring treated wastewater meets federal standards before discharge.
Great Falls WWTP serves approximately 58,439 residents in Great Falls, Montana. The facility discharges treated wastewater into the Missouri River, a major tributary of the Mississippi River system.
Kalispell WWT Facility serves approximately 21,000 people in Kalispell, Montana. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.