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Equipment and Performance Standards

Water Smart Contractor Program

SNWA requires landscape contractors who enroll in the Water Smart Contractor Program to meet these equipment and performance standards:

1. All landscapes and irrigation work performed pursuant to a contract will comply with applicable laws and codes in effect at the time of installation.
2. Sprinkler systems, if properly maintained, can be operated according to the schedule provided by the contractor, without creating flow or spray that leaves the property.
3. On all new landscape installations, separate control zones (valves) will be used for each type of watering device, and drip emitters will be operated separately from sprinkler heads. (This provision may be waived for landscape retrofits by mutual agreement between contractor and customer.)
4. Sprinkler heads for turf grass will have a 4" or greater pop-up height on grass. Sprinkler heads will have matched precipitation nozzles.
5. A minimum setback distance will be maintained between spray irrigation and all hardscapes (walls, sidewalks, public rights of ways) as mandated by local code.
6. Drip irrigation systems will be equipped with a pressure regulator, filter, flush end assembly and any other appropriate components. Components will be located in accessible valve boxes.
7.

Irrigation controllers installed by a contractor will have a minimum of the following features:

  • Two or more programs
  • Three start times per program
  • One-minute incremental watering time
  • Even/odd day scheduling
8. A seasonal watering schedule for each zone will be provided.
9. An owner's manual will be provided for all irrigation controllers installed and for any other components necessary.
10. Non-turf areas will include a minimum 2-inch layer of mulching material. If weed barriers are used, they will be permeable to air and water.
11. A one-year limited warranty will be offered. (Terms of the warranty are at the discretion of the contractor).