The following words and terms, when used in this subchapter,
have the following meanings, unless the context clearly indicates
(1) AED--Automated External Defibrillator. A device
that automatically diagnoses the life-threatening cardiac arrhythmias
of ventricular fibrillation and pulseless ventricular tachycardia,
and is able to treat those conditions by application of electricity
which stops the arrhythmia, allowing the heart to re-establish an
(2) Alternative communication system--Devices that
alert multiple on-site staff when activated, such as pager systems,
radios, or walkie-talkie communication systems. Used to notify either
on-site emergency medical services (EMS), on-site medical staff, or
on-site certified staff such as lifeguards, or a commercial emergency
(3) Alternative method of disinfectant--A method of
disinfection required to be approved by the department.
(4) ANSI--American National Standards Institute.
(5) APSP--Association of Pool and Spa Professionals.
(6) ARC--American Red Cross.
(7) Artificial swimming lagoon (lagoon)--An artificial
body of water used for recreational purposes with more than 20,000
square feet of surface area, an artificial liner, and a method of
disinfectant. The term does not include a body of water open to the
public that continuously recirculates water from a spring or a pool.
The term "lagoon" used in this subchapter means "artificial swimming
(8) Artificial swimming lagoon yard--An area that has
an enclosure that contains the lagoon.
(9) ASME--American Society of Mechanical Engineers.
(10) ASPSA--American Swimming Pool and Spa Association.
(11) Australian standard AS 4663-2013--A method to
measure the slip resistance of pedestrian surfaces.
(12) Backflow prevention device--A device designed
to prevent a physical connection between a potable water system and
a non-potable source such as the lagoon, or a physical connection
between the lagoon and a sanitary sewer or wastewater disposal system.
(13) Bonded--Permanent joining of metallic parts to
form an electrically conductive path that ensures electrical continuity
and the capacity to conduct safely any current likely to be imposed
to minimize the risk of electrocution.
(14) Broken stripe--A horizontal stripe that is at
least 1-inch wide with uniform breaks in the stripe, with the breaks
totaling not more than 75% of the length of the stripe and stripe
(15) BVM--Bag-Valve Mask. A handheld device used to
provide positive pressure ventilation to persons who are not breathing
adequately. Also known by its proprietary name, Ambu bag.
(16) Chemical feeder--A mechanical or electronic device
for applying chemicals into the lagoon.
(17) Circulation equipment--Mechanical components that
are part of a circulation system on the lagoon. Circulation equipment
includes pumps, hair and lint strainers, filters, valves, gauges,
meters, heaters, surface skimmers, inlet/outlet fittings, and chemical
(18) Cross-connection control device--A device that
is designed to prevent a physical connection between a potable water
system and a non-potable source such as the lagoon, or a physical
connection between the lagoon and a sanitary sewer or wastewater disposal
system. (See paragraph (12) of this section "Backflow prevention device.")
(19) DCOF--Dynamic coefficient of friction. A measurement
of frictional resistance of a surface one pushes against when already
(20) DCOF AcuTest--A test used to evaluate the slip
resistance or DCOF of a tile surface under known conditions using
a standardized sensor prepared according to a specific protocol.
(21) Deck--An area immediately adjacent to or attached
to the lagoon that is specifically constructed or installed for sitting,
standing, or walking and may include the coping. The term does not
include a sandy beach area adjacent to a zero-entry access area.
(22) Deep area--A water level in the lagoon that is
over five feet in depth.
(23) Department--The Texas Department of State Health
(24) Depth--Vertical distance measured at three feet
from the lagoon wall or barrier from the bottom of the lagoon to the
design water level.
(25) Design water level--
(A) For a skimmer system, the midpoint of the operating
range of the skimmers.
(B) For a gutter or overflow system, the top of the
overflow rim of the gutter or overflow system.
(26) Disinfectant--Energy, chemicals, or a combination
of both used to kill undesirable or pathogenic (disease causing) organisms
and having a measurable residual or level adequate to make the desired
(27) Diving board--A recreational mechanism for entering
the lagoon, consisting of a semi-rigid board that derives its elasticity
through the use of a fulcrum mounted below the board.
(28) DPD--A chemical testing reagent (N, N-Diethyl-P-Phenylenediamine).
It is used to measure the levels of free chlorine or bromine in water
by yielding a series of colors ranging from light pink to dark red.
(29) Facility--The lagoon and restrooms, dressing rooms,
equipment rooms, decks or walkways, beach entries, enclosure and other
appurtenances directly serving the lagoon.
(30) Filter--A device that removes undissolved particles
from water by recirculating the water through a porous substance (filter
media or element).
(31) Filter media--A finely graded material (for example,
sand, diatomaceous earth, polyester fabric, or anthracite) that removes
filterable particles from the water.
(32) FINA--Fédération Internationale
de Natation. The organization that administers international competition
in aquatic sports.
(33) Licensed engineer--A person licensed to engage
in the practice of engineering in the State of Texas in accordance
with the Texas Engineering Practice Act, Texas Occupations Code, Chapter
1001, and related rules.
(34) Licensed master electrician--An individual, licensed
as a master electrician, who on behalf of an electrical contractor,
electrical sign contractor, or employing governmental entity, performs
electrical work in accordance with the Texas Electrical Safety and
Licensing Act, Texas Occupations Code, Chapter 1305, and related rules.
(35) Lifeguard--An expert swimmer who supervises the
safety and rescue of swimmers, surfers, and other water sports participants
and who has successfully completed and holds a current ARC certificate
or the equivalent certification from an aquatic safety organization,
which includes training in cardiopulmonary resuscitation for adults,
infants, and children, use of an AED, use of a BVM, and first aid.
(36) Local regulatory authority--A county, municipality,
or other political subdivision of the state.
(37) Motorboat--Any vessel propelled or designed to
be propelled by machinery, whether or not the machinery is permanently
or temporarily affixed or is the principal source of propulsion. (See
paragraph (64) of this section "Vessel.")
(38) Non-swimming area--A section of a lagoon used
by vessels or motorboats, or for other aquatic activities such as
surfing and wakeboarding.
(39) NSF--NSF International.
(40) NSF 50 or NSF/ANSI Standard 50--Standard establishing
minimum requirements for materials, design, construction, and performance
of equipment commonly included in the water circulation systems of
residential and public swimming pools, spas, or hot tubs.
(41) NSF 60 or NSF/ANSI Standard 60--Standard covering
drinking water treatment chemicals and establishing criteria for promoting
sanitation and protection of public health in relation to drinking
(42) ORP--Oxidation Reduction Potential. The potential
level of oxidation-reduction produced by strong oxidizing (sanitizing)
agents in a water solution. Oxidation level is measured in millivolts
by an ORP meter.
(43) Overflow system--Overflows, surface skimmers,
and surface water collection systems of various design and manufacture
for removal of surface water from the lagoon.
(44) pH--A value expressing the relative acidic or
basic tendencies of a substance such as water on a scale from 0 to
14 with 7.0 being neutral, values less than 7.0 being acidic, and
values greater than 7.0 being basic.
(45) PHTA--Pool and Hot Tub Alliance, formally APSP
and National Swimming Pool Foundation.
(46) Pump--A mechanical device that causes hydraulic
flow and pressure for filtration, heating, and circulation of the
water in the lagoon.
(47) Regulatory authority--A federal or state agency
or a local regulatory authority.
(48) Rescue tube--A piece of lifesaving equipment that
is an essential part of the equipment that must be carried by lifeguards
and that is used to make water rescue easier by helping support the
victim's and rescuer's weight.
(49) Return inlet or inlet--Aperture or fitting through
which the water under positive pressure returns into the lagoon.
(50) Ring buoy--A ring-shaped floating buoy capable
of supporting a user.
(51) Rope and float line--A continuous line that is
not less than 1/4-inch in diameter and that is supported by buoys
and attached to sides of the lagoon to separate swimming areas from
non-swimming areas of the lagoon.
(52) Secchi disk--An eight-inch diameter disk with
alternating black and white quadrants that is lowered in the water
column and is used to measure water turbidity and clarity.
(53) Self-closing and self-latching device--A mechanism
on a gate that enables a gate to automatically fully close and latch
without human or electrical power.
(54) Service animal--A canine that is specially trained
or equipped to help a person with a disability and that is used by
a person with a disability in accordance with the Texas Human Resources
Code, Chapter 121. An animal of any other species, whether wild or
domestic, trained or untrained, is not considered a service animal.
(55) Slide--A recreational feature with a flow of water
and an inclined flume or channel by which a rider is conveyed downward
into the lagoon.
(56) Slip resistant--A surface that has been treated
or constructed to significantly reduce the chance of slipping.
(57) Steps, recessed steps, ladders, and recessed treads--A
lagoon entry and exit that may be used separately or in conjunction
with one another.
(58) Suction outlet--A fitting, fitting assembly, cover
or grate, and related components that provide a localized low-pressure
area for the transfer of water from the lagoon.
(59) Surf lagoon--A lagoon in which waves are generated
and dedicated to the activity of surfing on a surfboard or analogous
surfing device commonly used in the ocean and intended for sport as
opposed to general play intent for wave lagoons.
(60) Swimming area--A section of a lagoon used for
swimming, wading, or other activities involving contact with or immersion
(61) TCEQ--Texas Commission on Environmental Quality.
(62) UL--An independent testing laboratory (formerly
(63) User load--The number of persons in the swimming
areas of the lagoon at any given moment or during any stated period
(64) Vessel--Any watercraft, including surfboards,
paddleboards, and wakeboards, other than a seaplane on water, used
or capable of being used for transportation on water. (See paragraph
(37) of this section "Motorboat.")
(65) VGBA--The Virginia Graeme Baker Pool and Spa Safety
Act. A federal law that requires all public pools and spas to be fitted
with suction outlets that meet the ASME/ANSI A112.19.8 standard.
(66) Wading only areas--Wading only areas of the lagoon
that are intended for use by non-swimmers or for non-swimming activities.
(67) Wastewater disposal system--A plumbing system
used to dispose of backwash or other water from the lagoon or from
dressing rooms and other facilities associated with the lagoon.
(68) Water lounge or shelf--A horizontal area of the
lagoon that adjoins the lagoon wall at a depth of 2 inches to 10 inches
and is used for seating and play.