Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 11/27/2023
    TIME: 1927
    RECEIVED BY:
    CONTROL#:
    Cal OES - 23-7303
    NRC -
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Marin County Sheriff's Office
1.b. PERSON REPORTING SPILL (If different from above):
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Mill Valley Fire Protection District
2. SUBSTANCE TYPE:
2. a. SUBSTANCE:b.QTY:>=<Amount Measurec. TYPE:d. OTHER:e. PIPELINEf. VESSEL
>= 300 Tons
1. Untreated Water<45 Gal(s)SEWAGENoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: Per Reporting Party, Due to unknown reasons a release of approximately forty-five (45) gallons of untreated water has gone onto asphalt and into a storm drain which leads to the Arroyo Corte Madera del Presidio Creek. The release is currently ongoing, has not been contained and the estimated flow rate is one (1) gallon per minute. Personnel from Mill Valley Public Works are currently onscene while personnel from a contractor are enroute to; stop, contain, and clean up the release. The NRC will not be contacted and OES will not be contacted in regards to updates to this release.
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Not stopped, Not containedYesStorm Drain - Arroyo Corte Madera del Presidio Creek. Unknown
l. MARITIME VESSEL
m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: Marguerite St. and West Blithedale Ave.
b. CITY:c. COUNTY: d. ZIP:
Mill Valley
Marin County94941BAY AREA AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
11/27/20231848 Road Unknown
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoContractor
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
Fire Dept.City of Mill Valley Police Department
d. ADMIN. AGENCY: Marin County Waste Management Officee. 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, CDPH-D.O., DWP-DO, LANDS, PARKS & REC, Co/WP, Co/Hlth, Co/E-Hlth
Photo Attachment:
11. Cal OES Reg.
********* Control No: 23-7303 *********

Created by: Warning Center on: 11/27/2023 07:27:22 PM Last Modified by: Warning Center on: 11/27/2023 07:58:09 PM