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🌿 Landscaping Rules/Rainwater Harvesting

Rainwater Harvesting: Florissant vs Kirkwood

How do rainwater harvesting rules compare between Florissant, MO and Kirkwood, MO?

Florissant and Kirkwood have similar restriction levels.

Florissant, MO

St. Louis County

Few Restrictions

Missouri statute guarantees every landowner the right to collect, use, and own rainwater systems anywhere on their property, including inside city limits.

View full Florissant rules β†’

Kirkwood, MO

St. Louis County

Few Restrictions

Missouri statute guarantees every landowner the right to collect, use, and own rainwater systems anywhere on their property, including inside city limits.

View full Kirkwood rules β†’

Key Facts Comparison

FactFlorissantKirkwood
StatuteRSMo 640.648RSMo 640.648
Statewide rightYes, including citiesYes, including cities
Permit requiredNo state permitNo state permit
Effective dateAugust 28, 2018August 28, 2018

Highlighted rows indicate differences between cities.

Florissant FAQ

Can my Missouri city ban my rain barrel?

No. RSMo 640.648 protects every landowner's right to collect rainwater anywhere on their property, including within incorporated cities. A blanket municipal ban on rain barrels is preempted.

Does Missouri restrict potable indoor use of harvested rainwater?

No. The statute permits both potable and non-potable uses of harvested rainwater, though Department of Natural Resources cross-connection rules apply if the system is tied to a public water supply.

Kirkwood FAQ

Can my Missouri city ban my rain barrel?

No. RSMo 640.648 protects every landowner's right to collect rainwater anywhere on their property, including within incorporated cities. A blanket municipal ban on rain barrels is preempted.

Does Missouri restrict potable indoor use of harvested rainwater?

No. The statute permits both potable and non-potable uses of harvested rainwater, though Department of Natural Resources cross-connection rules apply if the system is tied to a public water supply.

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