Long Creek Watershed

 

      Water Quality Monitoring
The water quality monitoring effort incorporates the following four designs:

    •   Single downstream station at water supply intake and watershed outlet
    •   Upstream/downstream design on Long Creek and unnamed tributary
    •   Paired watersheds on Dairy 1 cropland
    •   Urban stream storm sampling done on a tributary to Long Creek (Kaglor Branch)

A watershed screening study for pathogens began in April, 1996. Samples from three current sites, as well as additional sites, were collected and analyzed for indicator organisms such as E. coli, clostridium perfringens, and coliphages and the pathogens giardia and cryptosporidium.


Biological


Percent canopy and aufwuchs (organisms growing on aquatic plants)
Invertebrate taxa richness: ephemeroptera, plecoptera, trichoptera, coleoptera, odonata, megaloptera, diptera, oligochaeta, crustacea, mollusca, and other taxa

Bacteria: Fecal coliform (FC) and fecal streptococci (FS)


Chemical and Other


Total suspended solids (TSS)
Total solids (TS)
Dissolved oxygen (DO)
Biochemical oxygen demand (BOD) (1991-92)
pH
Conductivity
Nitrate + nitrite (NO3 + NO2)
Total Kjeldahl nitrogen (TKN)
Total phosphorus (TP)

Physical stream indicators: width, depth and bank erosion

Covariates


Rainfall, humidity, solar radiation, air temperature, and wind speed
Discharge rate of Long Creek and a tributary
Rainfall at paired watersheds and Dairy 1 farmstead

BMP Plan and Implementation Timeline
 

A summary of the BMP plan and implementation timeline for each study area is provided below.  The BMP plans include a comprehensive approach to prevent or treat nonpoint source pollution.  Where possible, BMPs are selected to return impaired streams and riparian areas to naturally functioning systems.  BMPs are implemented on a voluntary basis and are cost shared up to 75% with the NC Agricultural Cost Share funds and EPA 319 (h) grant funds.

BMP Design

Sites BMP Description Implementation Timeline
Water Supply Watershed blueball.gif (326 bytes) Convert 13 acres of cropland above the water supply intake to a natural riparian area
blueball.gif (326 bytes) Exclude livestock from streams
blueball.gif (326 bytes) Reduce erosion rates on cropland
blueball.gif (326 bytes) Implement nutrient management on cooperating farms
1991- Present


Spring 1995- Fall 2001
Spring 1995- Fall 2001

Dairy Farm blueball.gif (326 bytes) Provide adequate waste storage and handeling capabilities
blueball.gif (326 bytes) Provide cows with alternate watering supply
blueball.gif (326 bytes) Exclude cows from streams
blueball.gif (326 bytes) Re-grade and vegetate streambanks and riparian zones
blueball.gif (326 bytes) Implement nutrient and pasture management stratagies
1993- Present

Winter 1995- 96

Winter 1995- 96
Winter 95- Fall 1996 (Phase 1)
Winter 1999- 2000 (Phase 2)

 

Cropland blueball.gif (326 bytes) Implement nutrient and waste management stratagies on ttreatment watershed
blueball.gif (326 bytes) Change cropping strategy to strip cropping, no-till, or contour farming on treatment watershed
blueball.gif (326 bytes) Maintain current nutrient management and cropping strategy on control watershed
Spring 1997 or 1998

Spring 1997- 1998

Ongoing through Fall 2001

Pasour Mountain Resource Recovery
Farm
blueball.gif (326 bytes) Implement contour and strip farming methods
blueball.gif (326 bytes) Implement nutrient and waste management strategies
blueball.gif (326 bytes) Maintain grass waterways
blueball.gif (326 bytes) Establish riparian areas
Spring 1996
Spring 1996

Spring 1996
Fall 1996- Winter 1996 - 97

Kaglor Branch blueball.gif (326 bytes) Install an in-stream urban stormwater wetland
blueball.gif (326 bytes) Re-introduce meanders, pools and rifles
blueball.gif (326 bytes) Re-grade and vegetate streambanks
Winter 1996- Spring 1997
Winter 1996- Spring 1997
Summer 1996- Spring 1997

 

Back to Long Creek Homepage