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Editor's note — This article became effective 1/1/2022.
The following words and terms shall have the following meanings in relation to their use within this Article, except when the context clearly indicates otherwise.
The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet conveying water to a tank, fixture, receptor, sink, or other assembly and the flood level rim of the receptacle. T he vertical, physical separation must be at least twice the diameter of the water supply outlet, but never less than 1.0 inch.
Bodies of water that have been constructed or modified to fit some decorative or commercial purpose such as, but not limited to, aeration ponds, fish farm ponds, storm retention basins, treatment ponds, and irrigation (channel) facilities. Water depths may vary seasonally or be controlled.
The final irrigation plan produced upon completion of an irrigation system installation and provided to the irrigation system's owner or the owner's representative. The as-built drawing(s) shall reflect all changes made to the original irrigation plan and/or specifications during the construction process and show all aspects (including the dimensions, geometry, and location of all elements) of the irrigation system. May be referred to as "record drawings" or "as-builts."
Any water supply other than the approved public water supply for the Town of Prosper, such as water from another public water supply or from a natural source including, but not limited to, wells, cisterns, springs, rivers, streams, used waters, or industrial fluids.
The prevention of reverse flow, due to back siphonage or backpressure, of non-potable water from an irrigation system into the potable water source.
A mechanical assembly used to prevent backflow into a potable water system. The type of assembly used is based on the hazard (health hazard or non-health hazard) and hydraulic conditions.
Person appointed by Town Manager to be in charge of enforcing this Article.
The Texas Commission on Environmental Quality.
When the landscape irrigation system has been installed, all minimum standards met, all tests are performed, and the irrigator is satisfied that the system is operating correctly.
The act of providing advice, guidance, review, or recommendations related to landscape irrigation systems.
A physical connection between a public water system and either another supply of unknown or questionable quality, a source which may contain contaminating or polluting substances, a source of water treated to a lesser degree than approved, or an auxiliary water supply source in the treatment process.
The act of determining the various elements of a landscape irrigation system that will include, but not be limited to, elements such as collecting site-specific information, defining the scope of the project, defining plant watering needs, selecting and laying out any local regulatory requirements, or scheduling irrigation work at a site. Completion of the various components will result in an irrigation plan.
The pressure that is required for an emission device to operate properly and in conjunction with the head-to-head spacing requirement. Design pressure is the sum of the minimum operating pressure of the emission device to the total of all pressure losses accumulated from the emission device to the water source.
An assembly composed of two independently acting, approved check valves, including tightly closing resilient seated shutoff valves attached at each end of the assembly and fitted with properly located resilient-seated test cocks.
A device that is contained within an irrigation system and used to apply water. Common emission devices in an irrigation system include, but are not limited to, spray and rotary sprinkler heads, and drip irrigation emitters.
The state of being engaged or hired to provide irrigation services and of being in an employer-employee relationship as defined by Internal Revenue Code, 26 USC § 31.3121(d)-1, based on the behavioral control, financial control, and the type of relationship involved in performing employment-related tasks.
An owner of a business who employs a licensed irrigator to supervise the irrigation services performed by the business as referenced in the Texas Occupations Code, Chapter 1903.
Wastewater from showers, bathtubs, handwashing, lavatories, sinks that are used for disposal, and clothes washing machines. Graywater does not include wastewater from the washing of material, including diapers, soiled with human excreta or wastewater that has come in contact with toilet waste.
The spacing of emission devices such that the distance between them is within the manufacturer's published radius range and the water spray reaches from device to device. A deviation of ten percent or less is acceptable.
A cross-connection, potential cross-connection, or other situation involving any substance that could cause death, illness, spread of disease, or has a high probability of causing such effects if introduced into the potable drinking water supply.
The science of dynamic and static water (pressure of water when it is not moving); the mathematical computation of determining pressure losses and pressure requirements of an irrigation system.
A water district operator, governmental entity, or licensed irrigation inspector who inspects irrigation systems and performs other enforcement duties for a municipality or water district and is required to be licensed under Chapter 30 of this title (relating to Occupational Licenses and Registrations) or a licensed plumbing inspector.
A scaled drawing of a new landscape irrigation system to be installed. The irrigation plan shall meet all the requirements in 30 TAC §§344.60-344.65 (relating to Water Conservation; Minimum Standards for the Design of the Irrigation Plan; Minimum Design and Installation Requirements; Completion of Irrigation System Installation; Maintenance, Alteration, Repair, or Service of Irrigation Systems; and Reclaimed Water) and is provided as an as-built drawing to the owner or owner's representative upon completion of the irrigation system installation.
All activities involving and irrigation system including, selling, designing, installing, maintaining, altering, repairing, servicing, permitting, consulting services, or connecting an irrigation system to a water supply.
A system permanently installed on a site and that is composed of an assembly of component parts for the controlled distribution and conservation of water to irrigate, reduce dust, and control erosion in any type of landscape vegetation in any location. This term includes sprinklers and sprinkler systems used for irrigation. This term does not include a system that is used on or by an agricultural operation as defined by Texas Agricultural Code § 251.002.
A person who works under the supervision of a licensed irrigator to perform irrigation services including the connection of an irrigation system to a private or public, raw or potable water supply system or any water supply, and who is required to be licensed under Title 30, Texas Administrative Code, Chapter 30 (relating to Occupational Licenses and Registrations).
A subdivision of an irrigation system with a matched precipitation rate based on plant material type (such as turf, shrubs, or trees), microclimate factors (such as sun/shade ratio), topographic features (such as slope) and soil conditions (such as sand, loam, clay, or combination) or for hydrological control.
A person who performs irrigation services and/or supervises the installation of an irrigation system, including the connection of such system to a private or public, raw or potable water supply system or any water supply, and who is required to be licensed under Title 30, Texas Administrative Code, Chapter 30.
The irrigator responsible for all irrigation work performed by an exempt business owner, including, but not limited to obtaining permits, developing design plans, supervising the work of other irrigators or irrigation technicians, and installing, selling, maintaining, altering, repairing, or servicing a landscape irrigation system.
The science of applying the necessary amount of water to promote or sustain healthy growth of plant material or turf.
A pipe within an irrigation system that delivers water from the water source to the individual zone valves.
A document made available to the irrigation system's owner or owner's representative that contains information regarding the operation and maintenance of the irrigation system, including, but not limited to: checking and repairing the irrigation system, setting the automatic controller, checking the rain or moisture sensor, cleaning filters, pruning grass and plants away from irrigation emitters, using and operating the irrigation system, the precipitation rates of each irrigation zone within the system, any water conservation measures currently in effect from the water purveyor, the name of the water purveyor, a suggested seasonal or monthly watering schedule based on current evapotranspiration data for the geographic region, and the minimum water requirements for the plant material in each zone based on the soil type and plant material where the system is installed.
Any activity that involves opening to the atmosphere the irrigation main line at any point prior to the discharge side of any irrigation zone control valve. This includes, but is not limited to, repairing or connecting into a main supply pipe, replacing a zone control valve, or repairing a zone control valve in a manner that opens the system to the atmosphere.
A remote control valve located after the backflow prevention assembly that controls the flow of water to the irrigation system mainline.
The condition in which all sprinkler heads within an irrigation zone apply water at the same rate.
Bodies of water such as lakes, streams, ponds, rivers, and other naturally occurring bodies of water, which may vary in depth throughout the year.
An irrigation system installed at a location where one did not previously exist or is a complete replacement of an existing irrigation system.
A cross-connection or potential cross-connection involving any substance that generally would not be a health hazard but would constitute a nuisance, or be aesthetically objectionable, if introduced into the potable water supply.
A water supply, which has not been approved for human consumption by the Commission.
A written contract between a contractor or builder and a licensed irrigator or exempt business owner to perform part or all of the irrigation services. A pass-through contract is also referred to as a sub-contract.
Water that is suitable for human consumption and meets the definition of drinking water in 30 TAC § 290.38(23) (relating to Definitions).
An assembly which contains an independently operating internally loaded check valve and an independently operating loaded air inlet valve located on the discharge side of the check valve, with properly located resilient-seated test cocks and tightly closing resilient-seated shutoff valves attached at each end of the assembly. Pressure vacuum breakers shall not be subjected to back pressure situations.
Domestic or municipal wastewater which has been treated to a quality suitable for beneficial use, such as landscape irrigation.
The irrigation plans, contracts, warranty information, invoices, copies of permits, and all other documents that relate to irrigation services.
An assembly containing two independently acting approved check vales together with a hydraulically operating, mechanically independent pressure differential relief valve located between the check valves and at the same time below the first check valve. The unit includes properly located resilient-seated test cocks and two tightly closing resilient-seated shutoff valves at each end of the assembly.
The pressure of water when it is not moving. Generally, this is the pressure available to the irrigation system.
The on-the-job oversight and direction by a licensed irrigator who is fulfilling his or her professional responsibility to the client and/or employer in compliance with local and state requirements. Also performed by a licensed technician who is working under the direction of a licensed irrigator to perform irrigation services.
The Texas Administrative Code, as amended.
A temporarily installed, above-ground system of pipes and component parts used to distribute water to the landscaping of a site for the establishment of plant growth, reduction of dust, and erosion control. Temporary irrigation systems must meet the requirements in 30 TAC § 344.66 (relating to Temporary Irrigation Systems).
The Town of Prosper, Texas and its duly authorized representatives.
The design, installation, service, and operation of an irrigation system in a manner that prevents the waste of water, promotes the most efficient use of water, and applies the least amount of water that is required to maintain healthy individual plant material or turf, reduce dust, and control erosion.
A measurement, in gallons per minute or gallons per hour, of the actual flow of water through a zone valve, calculated by individually opening each zone valve and obtaining a valid reading after the pressure has stabilized. For design purposes, the zone flow is the total flow of all nozzles in the irrigation zone at a specific pressure.
An automatic valve that controls a single irrigation zone of a landscape irrigation system.
(Ordinance 2021-68, § 2, adopted 11/23/2021)