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How much does a splash pad add to HOA water bills?
Quick answer
Flow-through splash pads use 3,000-10,000 gallons per operating day, adding $300-$2,000 monthly to the HOA water bill in summer. Recirculating systems use 90% less water but add $500-$1,500 monthly in electricity for pumps and disinfection. Most HOAs budget $3K-$15K annually for splash pad utilities.
Water bill impact depends on whether your HOA pad uses flow-through (single-pass, drained to sewer) or recirculating (filtered and reused). Flow-through systems average 5-25 gallons per minute, totaling 3,000-10,000 gallons per operating day. At commercial water rates of $0.005-$0.015 per gallon, that's $15-$150 per day, or $500-$2,500 per summer month. Recirculating systems cycle the same water through filtration, reducing water use 90% but adding $300-$1,500 monthly in electricity for pumps, UV, and chlorine generation. Both systems have summer-only operating windows of 4-6 months. Total annual utility budget for an HOA splash pad runs $3,000-$15,000 plus maintenance contracts. Many HOAs install timers and motion sensors to limit non-use water flow and recover 30%-50% of the water cost.