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Management of the
Barker Slough Watershed
Alex Rabidoux, PE
Senior Water Resources Engineer
Background: NBA Hydrology
Vacaville
Ulatis F.C. System
Cypress Lakes Golf Course
Southeast Vacaville
Land Use
3% Recreational
Land Use
3% Urban
Grazing Land
Land Use
84% Dry or Irrigated Pasture
Grazing Land
Campbell Lake (Argyll Park, Dixon)
- Private Lake
- 37 acres
Land Use
84% Dry or Irrigated Pasture
Travis AFB
Barker Slough Pumping Plant
Why is SCWA interested?
NBA has extremely poor water quality!!
- Numerous watershed, BMP, hydrodynamic studies
- Barker Slough Watershed has the most immediate and biggest impact on the NBA...but not exclusive.
- Winter season runoff events are the main source
- Main WQ issues: Dissolved Organic Carbon (DOC), turbidity, pathogens
- Newest WQ issue: Taste & Odor
from Campbell Lake
- No BMPs for DOC
- BMP for turbidity, effectiveness?
BMPs Implemented
Where do we go from here?
BMPs are not likely to sig. improve WQ, but...
- The Barker Slough Watershed will continue to impact the NBA
- Important for SCWA to have a presence in the watershed
- Management of livestock in watershed is important (pathogens)
- Tracking annual changes in the watershed is important
- Landowner partnerships are effective for new and old BMPs
- SRCD staff already connect w/ landowners, have access to other grants, and implement BMPs elsewhere
Barker Slough Watershed Management Program
Barker Slough Watershed Mngmt. Program
Goals:
- Work with landowners to preserve existing BMPs, implement new BMPs, and help with good livestock practices
- Track annual changes in the watershed (photo monitoring, land use changes)
- Provide simple annual update/memo to SCWA
- Manage a grant program (similar to the Small Grant program)
- Hold annual meeting with landowners, SRCD, SCWA?
Funding:
- On the order of $50K/year
- Will need to see how much is needed for Admin & Grant