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SEC. 4009. DRY CREEK VALLEY, CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project to provide recycled 
water for agricultural water supply, Dry Creek Valley, 
California, including a review of the feasibility of expand-
ing the Geysers recharge project north of Healdsburg, 
California. 
SEC. 4010. ELKHORN SLOUGH ESTUARY, CALIFORNIA. 
The Secretary shall conduct a study of the Elkhorn 
Slough estuary, California, to determine the feasibility of 
conserving, enhancing, and restoring estuarine habitats by 
developing strategies to address hydrological management 
issues. 
SEC. 4011. LOS ANGELES RIVER, CALIFORNIA. 
(a) IN GENERAL.—The Secretary shall conduct a 
study to determine the feasibility of carrying out a project 
for flood damage reduction and ecosystem restoration, Los 
Angeles River, California. 
(b) REVITALIZATION
PLAN.—In conducting the 
study, the Secretary shall review the Los Angeles River 
revitalization plan developed by non-Federal interests and 
shall incorporate such plan into the Federal study if the 
Secretary determines that such plan is consistent with 
Federal standards.
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SEC. 4012. LYTLE CREEK, RIALTO, CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for flood damage re-
duction and groundwater recharge, Lytle Creek, Rialto, 
California. 
SEC. 4013. MOKELUMNE RIVER, SAN JOAQUIN COUNTY, 
CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for water supply along 
the Mokelumne River, San Joaquin County, California. 
SEC. 4014. NAPA RIVER, ST. HELENA, CALIFORNIA. 
(a) IN GENERAL.—The Secretary shall conduct a 
comprehensive study of the Napa River in the vicinity of 
St. Helena, California, for the purposes of improving flood 
management through reconnecting the river to its flood-
plain; restoring habitat, including riparian and aquatic 
habitat; improving fish passage and water quality; and re-
storing native plant communities. 
(b) PLANS AND DESIGNS.—In conducting the study, 
the Secretary shall review plans and designs developed by 
non-Federal interests and shall incorporate such plans and 
designs into the Federal study if the Secretary determines 
that such plans and designs are consistent with Federal 
standards.
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SEC. 4015. ORICK, CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for flood damage re-
duction and ecosystem restoration, Orick, California. In 
conducting the study, the Secretary shall determine the 
feasibility of restoring or rehabilitating the Redwood 
Creek Levees, Humboldt County, California. 
SEC. 4016. SACRAMENTO RIVER, CALIFORNIA. 
The Secretary shall conduct a comprehensive study 
to determine the feasibility of, and alternatives for, meas-
ures to protect water diversion facilities and fish protective 
screen facilities in the vicinity of river mile 178 on the 
Sacramento River, California. 
SEC. 4017. SAN DIEGO COUNTY, CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for water supply, San 
Diego County, California, including a review of the feasi-
bility of connecting 4 existing reservoirs to increase usable 
storage capacity. 
SEC. 4018. SAN FRANCISCO BAY, SACRAMENTO-SAN JOA-
QUIN DELTA, CALIFORNIA. 
(a) IN GENERAL.—The Secretary shall conduct a 
study to determine the feasibility of the beneficial use of 
dredged material from the San Francisco Bay in the Sac-
ramento-San Joaquin Delta, California, including the ben-
efits and impacts of salinity in the Delta and the benefits
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to navigation, flood damage reduction, ecosystem restora-
tion, water quality, salinity control, water supply reli-
ability, and recreation. 
(b) COOPERATION.—In conducting the study, the 
Secretary shall cooperate with the California Department 
of Water Resources and appropriate Federal and State en-
tities in developing options for the beneficial use of 
dredged material from San Francisco Bay for the Sac-
ramento-San Joaquin Delta area. 
(c) REVIEW.—The study shall include a review of the 
feasibility of using Sherman Island as a rehandling site 
for levee maintenance material, as well as for ecosystem 
restoration. The review may include monitoring a pilot 
project using up to 150,000 cubic yards of dredged mate-
rial and being carried out at the Sherman Island site, ex-
amining larger scale use of dredged materials from the 
San Francisco Bay and Suisun Bay Channel, and ana-
lyzing the feasibility of the potential use of saline mate-
rials from the San Francisco Bay for both rehandling and 
ecosystem restoration purposes. 
SEC. 4019. SOUTH SAN FRANCISCO BAY SHORELINE STUDY, 
CALIFORNIA. 
(a) IN GENERAL.—In conducting the South San 
Francisco Bay shoreline study, the Secretary shall—