STORMWATER MASTER
PLAN UPDATE
October 10, 2023
Oct. 10, 2023
2 Stormwater master plan
Last citywide storm drainage study was completed in 2009 In 2021 the City Council approved an agreement with Wood Rodgers, Inc. to develop the Plan Meet level-of-service goals (10-year design storm for pipes and top of curb) Stormwater Master Plan Update 2023
APPROACH | Comprehensive, Realistic, Optimized
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Stormwater Master Plan Update 2023
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Stormwater Master Plan Update 2023
4 APPROACH | Fundable
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Stormwater Master Plan Update 2023
5 DATABASE | Facility Inventory
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Stormwater Master Plan Update 2023
6 SURVEY + INSPECTION | Site Prioritization
CONDITION ASSESSMENT | O&M Deficiency
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Stormwater Master Plan Update 2023
7 CONDITION ASSESSMENT | Structural Deficiency
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Stormwater Master Plan Update 2023
8 Belmont
San Mateo
San Carlos
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Stormwater Master Plan Update 2023
9 CAPACITY ASSESSMENT | Conveyance Deficiency
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Stormwater Master Plan Update 2023
10 CAPACITY ASSESSMENT | Conveyance Deficiency
Recommended Improvements
Annualized Flood Risk ($)
Annualized Project Life Cycle Cost ($)
Annualized Risk/ Annualized Life Cycle Cost
Prioritization Ranking
Harbor Boulevard Bypass
$ 3,922,499
$ 1,900,000
2.01 4
Upper Belmont
$ 1,086,140
$ 187,844
5.78 2
Oneill Avenue
$ 571,590
$ 357,516
1.60 6
East El Camino
$ 1,338,293
$ 528,984
2.53 3
West El Camino
$ 2,065,260
$ 58,219
35.47 1
Condition Improvements
$ 8,929,684
$ 4,597,125
1.94 5
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11 Stormwater Master Plan Update 2023
CIP| Recommendations and Prioritization
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12 Stormwater Master Plan Update 2023
CIP| Recommendations
Recent Stormwater Funding Measures
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13 Stormwater Master Plan Update 2023
FUNDING | Financing Success (and failures)
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14 Stormwater Master Plan Update 2023
FUNDING | Grant Funding
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Stormwater Master Plan Update 2023
Next Steps
Tonight - Receive City Council feedback on the Plan
February 2024 – Start Property Fee Survey
Tentatively March 2024 – Present the completed Plan to City Council for acceptance Spring/Summer 2024 – Conduct community engagement workshops December 2024 – Initiate Prop 218 Ballot Measure
Thank you
www.Belmont.gov
CIP | Recommendations
17 CIP | Recommendations
18 CIP | Recommendations
19 CIP | Recommendations
20 CIP | Recommendations
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