HomeMy WebLinkAboutHandouts_Regular_Tab 12_3/10/2022
Stormwater Management Practices Manual
Presentation
Regular Council Meeting
March 10, 2022
Building Smarter
Consider Quantity and Quality
Move to Net Improvement Stormwater
Quality Goal
Accept demonstration of removal (e.g.
BMP Trains)
Consideration of changing
environmental conditions
Stormwater Manual
Defined guidelines
Hydraulic & Water
Quality Criteria
Methods of Treatment
Low Impact
Development
Major Changes
ExistingProposed
Design StormDesign Storm
o 25-year, 24-hour o 25-year, 3-day
Design CriteriaDesign Criteria
o Hydraulic o Hydraulic
•Maintain 95-percent of all stormwater runoff •Control discharge to predevelopment volume
on-site
•Control timing of discharge to preclude off-site
impact
o Water Quality
•Peak discharge rate not to exceed
•None
predevelopment discharge rate
o Water Quality
•Demonstrate net improvement in nutrient load
or 95-percent reduction in pollutant load
Residential Stormwater Guidelines
Simplified permitting
guidelines
Set criteria to meet
new standards
Encourage LID
Village Code
Revise Design Storm
Reference Stormwater
Manual
Coordinate with LID
Next Steps
Second Reading of
Ordinance 07-22
(April 2022)
Approve Resolution
Adopting Manual
(April 2022)