Water restrictions in Boulder, CO — also called the watering schedule, outdoor irrigation rules, or drought ordinance — set which days and hours you can run sprinklers or irrigation.
Boulder enforces mandatory watering schedules through the city water utility. Odd/even address watering days, no watering 10 AM to 6 PM. Xeriscape rebate programs actively promoted.
Boulder's water utility enforces mandatory watering restrictions year-round with seasonal intensification. Odd-numbered addresses water on designated days, even on alternating days. No irrigation between 10 AM and 6 PM. Boulder actively promotes xeriscaping and native plant gardens with rebate programs. CRS §37-60-126(11) prevents HOAs from banning xeriscaping. The city operates a garden-in-a-box program with pre-designed native plant kits suited to Boulder's 5,430-foot elevation and semi-arid climate. Rain barrel collection is legal per HB 16-1005.
First violation: warning. Second: $50 fine. Third: $100. Subsequent: $200+ per incident. Water service surcharge for excessive use.
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See how Boulder's water restrictions rules stack up against other locations.
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