Reply To: Inquiry on Residential Sprinklers and Municipal Economic Incentive HOME › Forums › Forums › General › Inquiry on Residential Sprinklers and Municipal Economic Incentive › Reply To: Inquiry on Residential Sprinklers and Municipal Economic Incentive June 5, 2020 at 9:34 am #12808 John WilsonParticipant Department Name: Perth Fire Services We are one of those municipalities that do not charge for fire protection water. However, if you are running a combined system (sprinklers off the cold water supply) there’s no way around it coming thru the meter.