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Assessed Lakes 2024
These are assessed springs, streams, and lakes for the 2024 reporting cycle to the EPA under the Clean Water Act Section 305(b). -
Impaired Waters 2024
These are impaired streams and lakes for the 2024 reporting cycle to the EPA under the Clean Water Act Section 303(d). -
Nonpoint Source Program
The Nonpoint Source (NPS) Program, is supported with federal Clean Water Act funds for watershed-based planning and implementation, and requires a match with non-federal... -
Assessed Springs 2024
These are assessed springs, streams, and lakes for the 2024 reporting cycle to the EPA under the Clean Water Act Section 305(b). -
Assessed Streams 2024
These are assessed springs, streams, and lakes for the 2024 reporting cycle to the EPA under the Clean Water Act Section 305(b). -
Assessed Waters 2024
These are assessed springs, streams, and lakes for the 2024 reporting cycle to the EPA under the Clean Water Act Section 305(b). -
NPS Priority Streams
The Nonpoint Source (NPS) Program, is supported with federal Clean Water Act funds for watershed-based planning and implementation, and requires a match with non-federal... -
StreamStats
StreamStats provides access to spatial analytical tools that are useful for water-resources planning and management, and for engineering and design purposes. The map-based user... -
National Water-Quality Assessment (NAWQA) Project
Our surface water, groundwater, and aquatic ecosystems are priceless resources, used by people across the Nation for drinking, irrigation, industry, and recreation. The National...