Washoe Creek is a
perennial stream
A perennial stream is a stream that has continuous flow of surface water throughout the year in at least parts of its catchment during seasons of normal rainfall, Water Supply Paper 494. as opposed to intermittent river, one whose flow is interm ...
located in
Sonoma County, California
Sonoma County () is a county (United States), county located in the U.S. state of California. As of the 2020 United States Census, its population was 488,863. Its county seat and largest city is Santa Rosa, California, Santa Rosa. It is to the n ...
. It is about long and discharges to the
Laguna de Santa Rosa
The Laguna de Santa Rosa is a wetland complex that drains a watershed encompassing most of the Santa Rosa Plain in Sonoma County, California, United States.
The California Office of Environmental Health Hazard Assessment has issued a safe eat ...
.
Washoe Creek rises in the low lying Meacham Hills southwest of the city of
Cotati. It descends to the northeast, flowing under Roblar Road and Stony Point Road. It then turns northward and parallels Stony Point Road, crossing under West Sierra Avenue and Madrone Avenue. Gravenstein Highway (
State Route 116) crosses the creek, which then enters an artificial channel. Gossage Creek enters from the west, and shortly thereafter the creek ends at a confluence with the Laguna de Santa Rosa just west of
Rohnert Park
Rohnert Park is a city in Sonoma County, California, United States, located approximately north of San Francisco. The population at the 2020 United States Census was 44,390. It is an early planned city and is the sister city of Hashimoto in ...
.
The original native
riparian
A riparian zone or riparian area is the interface between land and a river or stream. Riparian is also the proper nomenclature for one of the terrestrial biomes of the Earth. Plant habitats and communities along the river margins and banks ar ...
vegetation
Vegetation is an assemblage of plant species and the ground cover they provide. It is a general term, without specific reference to particular taxa, life forms, structure, spatial extent, or any other specific botanical or geographic character ...
was likely
riparian
A riparian zone or riparian area is the interface between land and a river or stream. Riparian is also the proper nomenclature for one of the terrestrial biomes of the Earth. Plant habitats and communities along the river margins and banks ar ...
woodland
A woodland () is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the ''plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see ...
, with
Valley Oak savanna
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to ...
and
grassland
A grassland is an area where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur natur ...
on the upland east and west. The native
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
s have been largely altered or replaced, due to the modern uses of
grazing
In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to roam around and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and other ...
,
agriculture
Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...
, and urban development. In stream
nitrate
Nitrate is a polyatomic ion
A polyatomic ion, also known as a molecular ion, is a covalent bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zer ...
concentrations are noticeably higher for Washoe Creek than other
watercourse
A stream is a continuous body of surface water flowing within the bed and banks of a channel. Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names. Long large streams are ...
s within the Laguna de Santa Rosa
watershed. The lower reach is under consideration for a
restoration
Restoration is the act of restoring something to its original state and may refer to:
* Conservation and restoration of cultural heritage
** Audio restoration
** Film restoration
** Image restoration
** Textile restoration
* Restoration ecology
...
project.
History
This area was settled at least as early as 2000 BC by the
Coast Miwok
Coast Miwok are an indigenous people that was the second-largest group of Miwok people. Coast Miwok inhabited the general area of modern Marin County and southern Sonoma County in Northern California, from the Golden Gate north to Duncans Point ...
peoples, who built small villages along the banks of Washoe Creek and other local watercourses. These early peoples were gatherers and utilized resources of the creek as well as upland areas for subsistence. In 1833 this entire area around present Cotati was part of a
Mexican land grant
A land grant is a gift of real estate—land or its use privileges—made by a government or other authority as an incentive, means of enabling works, or as a reward for services to an individual, especially in return for military service. Grants ...
.
One of the area's American pioneers was Robert Ayres, who in 1859 built
Washoe House
Washoe House is a historic roadhouse in Sonoma County, California in the United States. It is located west of Cotati, California at the juncture of Stony Point Road and Roblar Road. It lies near the headwaters of Washoe Creek and is the defining ...
near the creek's headwaters.
In the early 1900s, a rock quarry on Petersen Road (Gossage Creek watershed) was abandoned, and a new quarry was begun on Stony Point Road.
The creek lies just across Stony Point Road from the current quarry site.
See also
*''
Limnanthes vinculans
''Limnanthes vinculans'', the Sebastopol meadowfoam, is an endangered species of meadowfoam found only in the Laguna de Santa Rosa in Sonoma County, California, United States and an area slightly to the south in the Americano Creek and Washoe Cr ...
''
*
List of watercourses in the San Francisco Bay Area
These watercourses (rivers, creeks, sloughs, etc.) in the San Francisco Bay Area are grouped according to the bodies of water they flow into. Tributaries are listed under the watercourses they feed, sorted by the elevation of the confluence so tha ...
*
Quarry
A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to reduce their envi ...
*
Riparian zone
A riparian zone or riparian area is the interface between land and a river or stream. Riparian is also the proper nomenclature for one of the terrestrial biomes of the Earth. Plant habitats and communities along the river margins and banks ar ...
References
{{Russian River
Rivers of Sonoma County, California
Rivers of Northern California
Tributaries of the Russian River (California)