Tuolumne County Municipal Code Ch. 8.50 Tulloch Reservoir
Tuolumne County Municipal Code · 2026-09 edition · updated 2026-10-02 · Tuolumne County
Cite as: Tuolumne County Municipal Code Chapter 8.50 · Text as of 2026-10-02
Section:
8.50.010 Purpose & Scope.
8.50.020 Definitions.
8.50.030 General Provisions.
8.50.040 Reservoir Authority.
8.50.050 Boating.
8.50.051 Riding on the bow, gunwale or transom of a vessel prohibited.
8.50.060 Swimming.
8.50.070 Fishing.
8.50.075 Sound amplification devices on boats.
8.50.080 Speed Limitation.
8.50.090 Sanitation.
8.50.100 Miscellaneous Regulations.
8.50.110 Enforcement.
8.50.010 Purpose & Scope.¶
This chapter shall establish regulations for vessels operating on the reservoir, recreational users and related construction activities on Tulloch Reservoir that are supplemental to California Boating Law. The purpose of this chapter is to provide consistent policies for the regulation, operation and enforcement activities at Tulloch Reservoir. The goal is to ensure that the quality of Tulloch Reservoir as a resource for homeowners, public, recreation, fisheries, power generation and drinking supply is maintained. This chapter shall apply only to Tulloch Reservoir. Should a conflict exist between the regulations contained in this chapter and other sections of the Tuolumne County Ordinance Code, the more stringent shall apply. (Ord. 2920 § 1, 2008)
8.50.020 Definitions. The following words and¶
phrases when used in this chapter are to be
construed to have the following meaning:
A. AAboard@ means in, on or attached
by any manner to a boat, motorboat, personal
watercraft or a vessel.
B. "Aquaplane" means any device,
including skis, used for the transportation of one
or more persons upon the surface of the water,
and which is pulled or towed by any boat, vessel
or other motive power by means of a rope,
chain, cable, wire or other connection.
C. "Boat" means any water vessel.
D. "Boathouse/Covered Boatslip" means
a floating or fixed roofed structure with open or
closed sides and designed for permanent or
temporary watercraft storage.
E. "Boatlift" means a facility within or
adjacent to a boatslip designed to lift a boat or
watercraft above the normal water level for
temporary or permanent storage purposes.
F. "Buoy" means a floating waterway
marker.
G. "California Boating Law" means the
provisions of law, adopted by the State of
California for the purposes of regulating the
operation of boats and other watercraft,
including but not limited to relevant portions of
Harbors and Navigation Code, Fish and Game
Code, Health and Safety Code, Penal Code,
Vehicle Code, Title 14 of the California Code of
Regulations and applicable sections of Federal
Inland Navigation Rules.
H. "County" means Tuolumne County.
I. "Dock" means a facility located on the
reservoir, which is designed to provide access to
waterfront properties and accommodate the
launching of non-motorized vessels and parking
and/or in water storage of watercraft.
J. "Encroachment Application" means
the form upon which an applicant describes and
officially requests permission for a given use or
facility within the FERC Project Boundary and
submitted to the County, Tri Dam and/or both
agencies for processing.
K. "Encroachment permit" means a
permit issued by the Tri-Dam Project, which
provides authorization for a particular use of
facility within the FERC Project Boundary.
L. "Encroachment Project" means the
placement, installation, construction, repair,
maintenance or replacement of any structure,
any excavation or the placement of any fill, at
Tulloch Reservoir within the FERC Project
Boundary.
M. "Excavation" means the removal of
soil or rock material from within the FERC
boundary.
N. "Facility" means any structure, use,
or combination of structures that are placed
within the FERC Project Boundary. A structure
includes, but is not limited to, a boat ramp,
dock, buoy or other mooring facility, basin,
retaining wall, erosion protection system, float,
access ramp, stairs or piers.
O. "Facility Expansion" means the
modification of an existing facility that results in
an increase of its reservoir extension, increased
decking square footage, increased dock size, an
increase in the number of boats it can
accommodate, or increases or decreases water
storage quantities.
P. "Facility Maintenance" means the
reconfiguring or repairing of existing facilities in
a like for like fashion. Rebuilds are minor in
nature and do not result in any significant
modification or expansion of project facilities.
Q. "FERC" means the Federal Energy
Regulatory Commission, the federal agency that
issues permits for hydroelectric projects to non-
federal entities and from whom Tri-Dam Project
must obtain approval for any facilities within the
FERC Project Boundary.
R. "FERC Project Boundary" or "Project
Boundary" generally includes the reservoir
surface and adjoining lands to the 515-foot
contour elevation.
S. "Float" means a floating platform for
use by swimmers or for docking watercraft.
T. "Full Reservoir Elevation" means the
elevation, measured in feet above mean sea
level, to the top of the reservoir=s spillway or
the top of the floodgates. This is normally
referred to as the 510-foot contour elevation.
U. "Motorboat" means any boat
propelled in whole or in part by a motor, engine,
or mechanical device of any kind except oars or
sails. The term also includes boats temporarily
equipped with detachable outboard motors.
V. "Personal watercraft" means any
motorized watercraft commonly known, as Jet
Ski, West Bike, Wave Runner, Surf Jet or
Motorized Ski or any similar device on top of
which, rather than within, the operator rides.
W. "Reservoir Authority" means the
General Manager or designee of the Tri-Dam
Project for lands within the FERC Project
Boundary.
X. "Tri-Dam" or "Tri-Dam Project" means
the operating authority of the Oakdale and
South San Joaquin Irrigations Districts for the
Tri-Dam facilities, including Tulloch Reservoir.
Y. "Vessel" means any vessel or device,
except an aquaplane, water ski or functional
equivalent, in or upon which persons or
property may be transported upon, under or
over the surface of water including, but not
confined to, any boat, raft, barge, canoe, skiff,
dinghy, personal watercraft, rowboat, sailboat,
sailing vessel, yacht, motorboat, motor vessel,
houseboat, pontoon, commercial boat, launch
and ship or equivalent regardless of name.
Z. "Waterway marker" means any device
designed to be placed in, on, or near the water
to convey an official message to a boat operator
on matters, which may affect health, safety or
well-being. (Ord. 3011 § 5, 2009; Ord. 2920 § 1,
2008)
8.50.030 General Provisions.¶
A. All facilities installed, constructed or maintained within the reservoir and FERC Project Boundary shall be in full compliance with appropriate permitting regulations of the County and Tri-Dam.
B. No facility shall be installed, constructed or maintained within the FERC Project Boundary unless a permit has been issued by the County and an encroachment permit has been issued by the Tri-Dam Project.
C. The County and Tri-Dam Project shall work in concert to ensure the safe and efficient operation of Tulloch Reservoir.
D. Any dock, building or structure set up, erected, built, moved or maintained or any use of property contrary to the provisions of this Chapter is unlawful and constitutes a public
nuisance, and the fully constituted authorities of the County may immediately commence action or actions, enjoinment thereof in the manner provided by law, and may apply to such court or courts as may have jurisdiction to grant such relief as will abate and remove such facilities or structures or use and restrain and enjoin any person, firm or corporation from setting up. All docks and facilities installed within the FERC Project Boundary shall be concurrently reviewed and permitted by the County and the Tri-Dam Project prior to installation. The County shall not issue a permit without prior approval from the Tri-Dam Project. Any dock or other facility installed prior to 1979 shall be considered “grandfathered” into legal existence. Any expansion, reconstruction or other alteration shall be subject to full compliance with current regulations. (Ord. 2920 § 1, 2008)
8.50.040 Reservoir Authority. Lands within the¶
unincorporated County areas are subject to regulatory control of the County. The County acknowledges that the lands within the FERC Project Boundary are also subject to the permitting review and authority of the Tri-Dam Project. For the purposes of this Chapter, Tri- Dam is considered the Reservoir Authority. (Ord. 2920 § 1, 2008)
8.50.050 Boating.¶
A. All boat travel shall be in a
counterclockwise direction.
B. All boats shall be in full compliance
with California Boating Law, in terms of
operation and equipment.
C. Except in an emergency situation, no
person shall land any aircraft on Tulloch
Reservoir, or parachute any person or object
within the FERC Project Boundary, except as
part of a scheduled program with specific
approval of the County and concurrence of the
Reservoir Authority.
D. No person shall operate on any
portion of Tulloch Reservoir a boat towing a
parasail or other type of parachute or sail
capable of lifting a person or object above the
surface of the reservoir.
E. It is unlawful to discharge or dump
any waste of any kind into the reservoir.
F. It is unlawful to trailer launch a boat
at other sites not designated and posted for
launching, pursuant to rules adopted by the
County, in conjunction with the Reservoir
Authority.
G. It is unlawful to land, moor or dock a
boat at sites designated, posted or restricted for
other uses.
H. It is unlawful to offer to operate any
boat for hire, or to take passengers upon a boat
for a fee, without a written permit issued by the
Reservoir Authority as authorized by FERC, or a
contract or concession agreement with the
Reservoir Authority or designee.
I. Prohibition of Houseboats: No
watercraft, which is utilized for human
habitation may be placed or operated on the
reservoir, moored at a fixed or permanent
mooring point without approval from the
County and Reservoir Authority or designee.
Water craft so operating and containing toilets
or galleys will not use such toilets or galleys
without prior written approval of the Reservoir
Authority and County health department or to
place on the reservoir any boat containing
marine sanitation devices which, are not in
conformity with federal or state laws,
regulations or rules.
J. Operation of boat near dam or within
non-motorized boat areas: It is unlawful to
operate a boat within two hundred feet of a dam
or within a buoy line designating the area as
such. It is unlawful to operate a motorized boat
in a non-motorized boat area.
K. Boat Trailers: It is unlawful for any
person after unloading his/her boat to leave any
boat trailer in public waters or to leave any boat
trailer unattended within fifty feet of the
waterline at Tulloch Reservoir, except within
designated areas or facilities.
L. Personal Floatation Device(s): The
number of personal floatation devices on board
must be equivalent to the number of passengers
onboard the watercraft as specified by California
Boating Law.
M. Capacity: At no point shall the
number of passengers or cargo aboard a boat,
motorboat, personal watercraft or vessel exceed
the listed capacity of the boat, motorboat,
personal watercraft or vessel as established by
the boat, motorboat, personal watercraft or vessel manufacturer. A person violating any provision of this section shall be guilty of an infraction. (Ord. 3011 § 6, 2009; Ord. 2920 § 1, 2008)
8.50.051 Riding on the bow, gunwale or¶
transom of a vessel prohibited. It is unlawful to ride on the bow, gunwale or transom of a vessel propelled by machinery underway when such position is not protected by railing or other reasonable deterrent to falling overboard, or riding in a position or manner which is obviously dangerous. This section shall not apply to a vessel=s crewmen in the act of anchoring, mooring or making fast to a dock or another vessel, or the necessary management of a sail. A person violating any provision of this section shall be guilty of an infraction. (Ord. 3181 § 2, 2011)
8.50.060 Swimming.¶
A. Areas designated and posted as exclusive swimming beaches and areas of the lake buoyed as exclusive swimming areas by the Reservoir Authority shall be used only for the purposes of swimming, bathing, wading and diving. It is unlawful for any person, except in an emergency, to swim in any area designated as a "no swimming" area, or more than two hundred feet from the shore, or outside the boundaries of a marked swimming area, or to swim in a location, or in such a manner, as to create a hazardous or dangerous condition to the swimmer or any other person. A person violating any provision of this subdivision shall be guilty of an infraction. B. It is unlawful to use a beach designated and posted as an exclusive swimming area by the Reservoir Authority, for purposes of boating, aquaplaning, fishing or similar activities. A person violating any provision of this subdivision shall be guilty of an infraction. C. No person shall jump or dive from a public highway bridge. (Ord. 3011 § 7, 2009; Ord. 2920 § 1, 2008)
8.50.070 Fishing.¶
A. Shore fishing and fishing while wading is permitted along any shoreline within open areas of the reservoir where no conflict exists with private property ownership, except in exclusive swimming areas designated and posted pursuant to Section 8.50.060 and except where posted “No Fishing" pursuant to rules adopted by the Reservoir Authority, in cooperation with the California Department of Fish & Game.
B. Fishing from boats is permitted everywhere except where posted "No Fishing" pursuant to a rule adopted by the Reservoir Authority, in cooperation with the California Department of Fish & Game.
C. No person shall fish from or upon a public highway bridge. (Ord. 2920 § 1, 2008)
8.50.075 Sound amplification devices on boats.¶
No operator of a boat shall operate, or permit
the operation of, any sound amplification
system which can be heard outside the boat
from one hundred (100) or more feet when the
boat is being operated upon a waterway, unless
that system is being operated to request
assistance or warn of a hazardous situation.
This section shall not apply to authorized
emergency boats. A person violating any
provision of this section shall be guilty of an
infraction. (Ord. 3153 § 2, 2011)
8.50.080 Speed Limitation.¶
A. No person shall operate any boat in
excess of forty-five (45) miles per hour at any
time on any portion of Tulloch Reservoir or, if in
a restricted speed zone, in excess of five (5)
miles per hour unless at special events as
authorized by the County.
B. The maximum speed at Tulloch
Reservoir is five (5) miles per hour between
sunset and sunrise the following day.
C. Restricted speed zones may be
established by the Board of Supervisors by
Resolution. Such restricted speed zone areas
shall be reasonably marked or delineated by
buoy markers. Restricted speed laws
established by this section are in addition to
general speed limits established by State Law.
D. A person violating any provision of
this section shall be guilty of an infraction.
(Ord. 3011 § 8, 2009; Ord. 2920 § 1, 2008)
8.50.090 Sanitation.¶
A. All boats operating on the reservoir shall be sufficiently equipped and maintained such that there is no degradation to the quality of water within the reservoir.
B. It is unlawful for any person to dump or place into the reservoir any human or other animal waste, garbage, trash, gasoline, oil, sawdust, debris or other foreign matter whether from a boat, the shore or any other place.
C. It is unlawful for any person to wash, rinse or otherwise clean cooking or eating utensils, food, clothing, camping equipment or other articles in the reservoir. (Ord. 2920 § 1, 2008)
8.50.100 Miscellaneous Regulations.¶
A. Supervised boat races and water shows: Special events require application for and approval by the County subject to agreement of the Reservoir Authority. The provisions of this chapter and the regulations adopted pursuant to this Section shall not be construed to prohibit or restrict the operation of any boat actually competing in a race or regatta over a marked racing course or the operation of any boat, aquaplane or water skier actually participating in a water show, when such race, regatta or water show is previously authorized and actively supervised by the County with prior agreement by the Reservoir Authority. B. Transport of noxious plants or wildlife: It is unlawful for any person to transport noxious plants or wildlife to the reservoir. All vessels shall be inspected by the owner and/or operator prior to launching said vessels and appropriate action taken to prohibit the introduction of noxious plants or wildlife from foreign reservoirs being introduced and/or imported to Tulloch Reservoir. (Ord. 2920 § 1, 2008)
8.50.110 Enforcement. The Sheriff and his/her¶
deputies, public officers and employees shall have the authority to enforce the provisions of this Chapter and the provisions of any other statute, ordinance or regulations relating to boating safety or sanitation. (Ord. 2920 § 1, 2008)
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