Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 12/31/2024
    TIME: 1307
    RECEIVED BY:
    CONTROL#:
    Cal OES - 24-7269
    NRC -
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
City of San Mateo
1.b. PERSON REPORTING SPILL (If different from above):
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
2. SUBSTANCE TYPE:
2. a. SUBSTANCE:b.QTY:>=<Amount Measurec. TYPE:d. OTHER:e. PIPELINEf. VESSEL
>= 300 Tons
1. Sewage=3,200 Gal(s)SEWAGENoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: Per the reporting party: Due to a blockage of the sewer mainline, sewage began to release from a manhole cover out onto the road and into nearby storm drains. This material was also moving towards the San Francisco Bay but did not enter the water. The release began at 1115 hours and was stopped at 1123 hours by turning off the pumps. The City of San Mateo conducted cleanup of the material.
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Stopped, ContainedYesSan Francisco BayNo
l. MARITIME VESSEL
No
m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: Norfolk and Lago St.
b. CITY:c. COUNTY: d. ZIP:
San Mateo
San Mateo County94403BAY AREA AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
12/31/20241115 Road Blockage
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoReporting Party
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
d. ADMIN. AGENCY: San Mateo County Environmental Healthe. SEC. AGENCY:
f. ADDITIONAL COUNTY: g. ADMIN. AGENCY:
h. NOTIFICATION LIST:
Cal GEM:
RWQCB Unit:

2
Cal OES Region:
AA/CUPA, DTSC, RWQCB, US EPA, USFWS, COASTAL COM, CDPH-D.O., DWP-DO, EB PARKS, LANDS, PARKS & REC, USCG, Co/WP, Co/Hlth, Co/E-Hlth
Photo Attachment:
11. Cal OES Reg.
********* Control No: 24-7269 *********

Created by: Warning Center on: 12/31/2024 01:07:04 PM Last Modified by: Warning Center on: 12/31/2024 01:17:57 PM