Milwaukee County places no restriction on residential rainwater harvesting, and Wisconsin does not require a permit to collect rooftop rainwater for outdoor use. Rain barrels are encouraged regionally for stormwater control. Any indoor or plumbed system follows the Wisconsin plumbing code.
No Milwaukee County ordinance restricts residential rainwater harvesting, and Wisconsin does not require a water right or permit to capture rooftop rainwater for garden and lawn use. Rain barrels and cisterns for outdoor irrigation are legal statewide, and regional programs, including the Milwaukee Metropolitan Sewerage District's green-infrastructure efforts, actively encourage rain barrels and rain gardens to cut stormwater runoff into the combined sewer system. Rules that do apply come from the Wisconsin plumbing code (Wis. Admin. Code SPS 381-387), which governs any system connecting to indoor plumbing or reusing water inside a building, and your municipality, which may set design guidance for larger cisterns. A standard backyard rain barrel needs no county or state permit.
Outdoor residential rain barrels are not a violation and carry no county penalty. A rainwater system plumbed into a building without meeting the Wisconsin plumbing code (SPS 381-387) can fail inspection. A neglected barrel breeding mosquitoes could draw a complaint.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Wauwatosa, WI
Wauwatosa Municipal Code Chapter 7.46 (Noise) within Title 7 prohibits unreasonably loud, disturbing noise that injures the health, peace, or comfort of othe...
Wauwatosa, WI
Wauwatosa requires pets to be confined by leash, pen, or fence on owner's property. Persistent barking is a nuisance violation under Ch. 7.46. Residents may ...
Wauwatosa, WI
RV and boat storage in Wauwatosa residential areas is regulated by city zoning. Generally one RV permitted on a residential lot with setback requirements. Fr...
Wauwatosa, WI
Wauwatosa street parking follows local signage and Wisconsin traffic law. No city-wide overnight parking ban unless posted. Snow emergency restrictions apply...
Wauwatosa, WI
Wauwatosa requires vehicles parked on improved surfaces. Front lawn parking prohibited. Driveway modifications require permits.
Wauwatosa, WI
Abandoned vehicles in Wauwatosa are regulated under state law (Wis. Stat. §342.40) and city nuisance ordinances. Inoperable or unlicensed vehicles visible fr...
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