Carson City
Carson City Drainage Manual (Low Impact Development)
CityNevadahighNeeds reviewCitations verified
This extraction is flagged for quality review.
Compare each cited field to the official PDF before relying on it. What this means
Pipeline excerpt repair removed 1 unlocated citation(s).
Fields not found in document: design_parameters.wqv_depth_inches
Document Metadata
Jurisdiction level
City
No evidence cited
State
Nevada
No evidence cited
Version / edition
Revised 7/1/2021
No evidence cited
Adoption / effective date
2021-07-01
No evidence cited
Last revised date
2021-07-01
No evidence cited
Relationship to state manual
independent
No evidence cited
Design Criteria
Design storm return periods (years)
2-year, 10-year, 100-year
“minor storm event (10-year) and a major storm event (100-year)”
Design Storm Events
Water quality volume method
LID required for new development/redevelopment. Flow-based post-construction controls sized for the 2-year runoff event from the connected drainage area. Volume-based controls capture/treat 90% of annual runoff volume. WQV = [(P)(RV)(A)]/12 with P = 1.5 in west of Carson Street and 0.5 in east of Carson Street. Detention attenuates post-development 10-year (Q10) peaks to predevelopment; volume credit for WQ features 1:1. Minor/major conveyance: 10-year / 100-year 24-hour; arterials/collectors checked for 100-year.
“WQV = [(P)(RV)(A)]/12 ... P, use 1.5 inches for areas west of Carson Street and 0.5 inches for areas east”
Technical Criteria / WQV
Peak flow calculation method(s)
10-year / 100-year 24-hour design storms, Detention to predevelopment Q10, Rational / hydrograph methods per Drainage Manual technical criteria
No evidence cited
Hydrologic/hydraulic software
Not found in document
No evidence cited
Approved BMP categories
LID BMPs (infiltration, bioretention, etc.), Flow-based water quality controls, Volume-based water quality controls, Detention basins, Infiltration trenches / basins, Storm drain / channel conveyance
No evidence cited