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Managing Sediment Pollution in Georgia's Mountain Streams

Sediment pollution in mountain streams is a major stress on Georgia's rivers, impacting aquatic organisms and listed endangered species. Urban runoff carries sediments, fecal coliform, metals, and other pollutants, violating designated use criteria. Sediment kills aquatic organisms, reduces habitat, decreases land productivity and property values, and increases water treatment costs. It also reduces recreation revenues and requires costly removal.

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Managing Sediment Pollution in Georgia's Mountain Streams

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  1. Water as a Special Resource

  2. Mountain stream

  3. Sediment Pollution

  4. SEDIMENTATION • A natural process gone wrong • Major stress on Georgia’s rivers • A sign of poor land management

  5. A Unique Ecosystem • High diversity of aquatic organisms • 4 endemic fish species • 15 species listed as endangered or threatened

  6. Runoff carries • Sediments • Nutrients • Fecal Coliform • Metals • Other pollutants

  7. Streams Partially Supporting Designated Uses

  8. Stream Location Designated Use Criterion Violated Evaluated Causes Acworth Creek Trib to Lake Acworth (Cobb) Fishing Fecal Coliform-FC Urban Runoff-UR Butler Creek Cobb County Fishing FC UR Kellogg Creek Trib to Lake Allatoona Fishing FC UR Little Noonday Creek Cobb County Fishing FC UR Little River Hwy 140 to Lake Allatoona (Cherokee) Fishing FC UR Noonday Creek Old US Hwy 41 to Posey Branch (Cobb/Cherokee) Fishing FC UR Owl Creek Trib to Lake Allatoona (Cherokee) Fishing FC UR Proctor Creek Cobb County Fishing FC UR Rowland Springs Branch Trib to Lake Allatoona (Bartow County) Fishing FC NP Rubes Creek Cobb/Cherokee County Fishing FC UR Shoal Creek Hwy 140 to Lake Allatoona (Cherokee) Fishing FC NP Stamp Creek Trib to Lake Allatoona (Bartow) Fishing FC NP Tanyard Creek White Lake to Lake Allatoona Fishing FC UR Trib to Allatoona Creek Cobb County Fishing FC, Cd, Cu UR Streams Not Supporting Designated Uses

  9. Sediment in Streams • Kills aquatic organisms • Loss of habitat • Loss of valuable topsoil • Decreases productivity of the land • Decreases property values • Increases water treatment costs • Decreases recreation revenues • Requires costly removal (dredging)

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