Verified city watering rules
Colorado Water Restrictions by City
Current city-level watering rules, allowed hours, last checked dates, and official source links for verified Colorado cities.
Verified cities
5
Active rules
5
Latest check
May 13, 2026
Verified Colorado Cities
Aurora
Aurora Water
Two assigned days per week; use Aurora's official drought schedule to confirm assigned days.
No outdoor watering between 10 a.m. and 6 p.m.
Boulder
City of Boulder Utilities
Two days per week is recommended for non-functional turf during Drought Watch; the schedule is voluntary.
Sprinklers for grass may only run before 10 a.m. or after 6 p.m. from May 1 through September.
Castle Rock
Castle Rock Water
Every third day on the designated schedule symbol assigned by street address.
Before 8 a.m. or after 8 p.m. for residential customers.
Colorado Springs
Colorado Springs Utilities
Up to three days per week; customers choose the days.
Before 10 a.m. or after 6 p.m. from May 1 through Oct. 15.
Denver
Denver Water
Two assigned days per week: even-numbered single-family addresses Sunday and Thursday; odd-numbered single-family addresses Wednesday and Saturday; all others Tuesday and Friday.
Before 10 a.m. or after 6 p.m.
Helpful Colorado Watering Guides
Water Restriction Lawn Survival Kit
A compliant lawn-watering setup for homeowners dealing with two-day watering limits, morning/evening watering windows, runoff rules, and drought restrictions.
Read guideBest Hose Timers for Water Restrictions
How to choose a hose timer for city watering schedules, morning/evening watering windows, and two-day watering limits.
Read guideBest Sprinklers for Water Restrictions
How to choose a hose-end sprinkler for two-day watering limits, cycle-and-soak schedules, and low-runoff lawn watering.
Read guideColorado Water Restrictions FAQ
Are water restrictions the same across all cities in Colorado?
No. Cities and water providers set their own outdoor watering rules. Use each city page and official source link to confirm the current rules for your service area.
How often do Colorado city watering rules change?
Rules can change during drought, emergency conditions, construction, or seasonal schedule changes. Always check the official source before watering.
Can I hand water during water restrictions in Colorado?
Many providers treat hand watering differently from unattended sprinkler irrigation, but the details vary. Check the city status card and official source before watering.
Where should I verify my official watering days?
Use the city or water provider source linked on each page. Some cities assign days by address, customer type, or schedule symbol.