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Tip #200

Use properly set timers or photo sensors for outdoor lighting.

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Fort Collins Utilities is an equal opportunity residential and commercial utility service provider. We do not discriminate in the terms, conditions or provision of services based on race, color, religion, sex, disability, familial status or national origin.


Fort Collins Utilities es una empresa proveedora de servicios públicos residenciales y comerciales con igualdad de oportunidad. No discriminamos en los términos, las condiciones o la provisión de servicios en base a raza, color, religión, sexo, discapacidad, estatus familiar o nacionalidad de origen.

Sprinkler System Requirements


  • Maximum design flow for residential systems on a 5/8" by 3/4" service and meter should not exceed 10 gallons per minute (gpm). Higher flows can damage the meter. Contact Utilities for information on flows for larger meters.
  • All new sprinkler system installations must have a sprinkler permit from the city Building Inspection Department.
  • Fort Collins Utilities tests backflow preventers installed by homeowners at the time of installation.
  • Sprinkler systems that use compressed air to purge the system cannot have air-injection ports larger than 1/4" in diameter upstream of the backflow preventer. Larger connections can be installed downstream of the assembly.
  • Manufacturers of backflow preventers do not recommend blowing out a home sprinkler system through the backflow preventer, as this could cause damage.
  • The Cross-Connection Control Manual (PDF 626KB) describes backflow prevention requirements in detail. Download the free, 43-page manual or contact Utilities for more information.