2023 Rules & Regulations 105
603.2
OHIO (OH) — State of Ohio, except the counties of Seneca, Crawford, Erie, Huron, Richland,
Lorain, Ashland, Cuyahoga, Medina, Wayne, Summit, Lake, Geauga, Portage, Stark, Tuscarawas,
Ashtabula, Trumbull, Mahoning, Columbiana, Jefferson, Belmont, Washington and Lawrence; and
including the counties of Campbell, Kenton and Boone in the Commonwealth of Kentucky.
OKLAHOMA (OK) — State of Oklahoma, except Texas County.
OREGON (OR) — State of Oregon, except for the counties of Umatilla, Union, Wallowa, Baker
and Malhuer; and in the State of Washington, the counties of Cowlitz, Clark, Skamania, and the
part of Klickitat west of Highway 97, excluding the City of Goldendale.
OZARK (OZ) — That portion of the State of Missouri east of and including the counties of Scot-
land, Knox, Shelby, Monroe, Ralls, Pike, Montgomery, Osage, Miller, Camden, Dallas, Webster,
Douglas and Ozark; and the counties of Calhoun, Greene, Jersey, Madison, St. Clair, Monroe
and Jackson in the State of Illinois.
PACIFIC (PC) — In the State of Nevada, the counties of Lyon, Douglas, Carson City, Storey, and
the part of Washoe lying south of the northerly boundary of the Pyramid Lake Indian Reserva-
tion; and in the State of California, the counties of Del Norte, Humboldt, Mendocino, Lake,
Sonoma, Napa, Marin, Contra Costa, San Francisco, Alameda, San Mateo, Santa Clara, Santa
Cruz, San Benito, Monterey, Tuolumne, and Alpine, and the parts of: Solano and Sacramento
counties south of Highway 12, including the communities of Vallejo and Benicia and excluding the
communities of Fairfield, Suisun City and Rio Vista; San Joaquin County south and west of the
line created by Highway 12 to Interstate 5 to Eight Mile Road to Highway 99 to Highway 4, includ-
ing the City of Stockton; Stanislaus and Calaveras counties south of Highway 4; El Dorado
County east of Highway 89; and the City of Bishop in Inyo County and the community of Mam-
moth Lakes in Mono County.
The Solano Community College pool in Solano County and any pool between Eight Mile Road
and Hammer Lane in San Joaquin County shall be available for the use of the Pacific Swimming
and Sierra Nevada Swimming LSCs and their respective member clubs, and both LSCs may
sanction swimming events in these pools under their own rules and regulations.
PACIFIC NORTHWEST (PN) — That portion of the State of Washington west of the counties of
Okanogan, Chelan, Kittitas and Yakima; north of Skamania County; and north and west of
Cowlitz County.
POTOMAC VALLEY (PV) — The District of Columbia; Montgomery and Prince George’s counties
in the State of Maryland; and Arlington and Fairfax counties and the cities of Alexandria, Fairfax
and Falls Church in the Commonwealth of Virginia.
SAN DIEGO-IMPERIAL (SI) — San Diego and Imperial counties in the State of California.
SIERRA NEVADA (SN) — In the State of Nevada, the counties of Humboldt, Pershing, Churchill,
Mineral, Lander and the part of Washoe lying north of the northerly boundary of the Pyramid Lake
Indian Reservation; and in the State of California, the counties of Siskiyou, Modoc, Trinity, Shasta,
Lassen, Tehama, Plumas, Glenn, Butte, Sierra, Colusa, Sutter, Yuba, Nevada, Placer, Yolo and
Amador; and the parts of: Solano and Sacramento counties north of Highway 12, including the
communities of Fairfield, Suisun City and Rio Vista and excluding the communities of Vallejo and
Benicia; San Joaquin County north and east of the line created by Highway 12 to Interstate 5 to
Eight Mile Road to Highway 99 to Highway 4, excluding the City of Stockton; Stanislaus and Cala-
veras counties north of Highway 4; and El Dorado County west of Highway 89.
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