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VIDEO. From the San Mateo County Park Commission meeting on Thursday, December 5th, 2024 at 4:00pm, as a hybrid meeting.
From the Midcoast Community Council 2024 Stormwater Report (from 12/11/2024 meeting)
Santa Maria Ave. & Columbus St – stormwater runoff from Quarry Park
Two stormwater flows originate in and exit San Mateo County’s Quarry Park and flood onto residential
streets near the Park’s entrance. The larger flow down Santa Maria consists of the Park dam’s spillway overflow, diverted drainage from erosion control, and common rain runoff. The lesser flow down Columbus consists of diverted drainage from erosion control and common rain runoff.
The two flows exit the Park at the intersection of Santa Maria Ave. & Columbus St near the Park’s entrance (see Photos 03, 07, & 18 in Exhibit 2). The larger and more impactful flow floods down Santa Maria whereas the lesser flow, until recently, also primarily flooded down Santa Maria with a much lesser impact to Columbus.
Recently though, because of the quantity of flooding stormwater, such as after the January 2023 storm (see Photos 18 to 25), the SMC Parks Department diverted the lesser flow down Columbus (see Photos 01 to 05). This helped reduce the flooding down Santa Maria and its impact to homes on that street and, for which, the residents were greatly thankful12.
Nonetheless, this newly increased diverted flow adversely effected the health & safety of residents on Columbus with Park flows flooding down 3 blocks (approx. 1,200 linear ft.) to a pseudo storm drain at Santiago Ave. then under that road to openly run into a meadow on the road’s western side (see Photos 05 & 06).
Midcoast Community Council Stormwater Report Highlights NOAA’s Outdated PMP Science and San Mateo County’s Need for a Comprehensive Coastside Stormwater Management System;
More on Quarry Park on Coastside Buzz
San Mateo County Parks Commission
Jorge Laguna
District 1 (Pine)
Appointed: 2/4/2021
Term Expires: 12/31/2024
Thaddeus Block
District 2 (Corzo)
Appointed: July 2023
Term Expires: December 31, 2026
Irma Rodriguez Mitton
Vice Chair
District 3 (Mueller)
Appointed: July 2023
Term Expires: December 31, 2026.
Meda O. Okelo
Chair
District 4 (Slocum)
Reappointed: 12/5/2023
Term Expires: 12/31/2024
Basem Manneh
District 5 (Canepa)
Reappointed: 12/31/2020
Term Expires: 12/31/2024
Author: Coastside Buzz
Me
