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Only clean water is allowed to flow freely into a storm drain. Washwaters, sewage, automotive fluids, construction materials, paint, sediment and/or silt, and food wastes ARE LEGALLY PROHIBITED from flowing into a storm drain. Reporting incidents of water pollution problems such as illegal dumping or discharges helps keep our local creeks, San Francisco Bay, and the Pacific Ocean pristine for all of us.

When To Make A Report

  • When you notice unusual odors on or near the storm drain.
  • When you find dumped waste on or near the storm drain.
  • When the drainage system has unusually large flows during dry periods.
  • When you see someone illegally dumping anything into the storm drain.

Note: If you are reporting an emergency situation that could result in imminent or substantial danger to the health and safety of persons, call 911.

Stormwater Illicit Discharge Contacts

Below are the illicit discharge coordinator contacts for every municipality in San Mateo County. Where two names are provided, the first name is the primary contact and the second name is the alternate.

MunicipalityIllicit Discharge CoordinatorsEmailPhone
AthertonDavid Huynhdhuynh@ci.atherton.ca.us
(650) 752-0555
BelmontTim Murray
Tracy Scramaglia
tmurray@belmont.gov
tscramaglia@belmont.gov
W: (650) 637-2932
Cell: (650) 222-6460
W: (650) 595-7469
BrisbaneDolan Shoblo
Diane Cannon
After Hours
Alternate After Hours
dolanshoblo dolanshoblo@ci.brisbane.ca.us
dcannon@ci.brisbane.ca.us
Department of Public Works
Police Dispatch

(415) 508-2130
(415) 508-2130
(415) 286-0164
(415) 467-1212
BurlingameJennifer Lee
After Hours
jlee@burlingame.org
Police non-emergency dispatch
(650) 558-7670
(650) 777-4100
ColmaLouis Gotelli
After hours

Public Works Supervisor
Colma Police Department Dispatch (Non-Emergency)
(650) 757-8888
(650) 997-8321
Daly City24-hour support(650) 991-8200
East Palo AltoKevin Lewisklewis@cityofepa.org(650) 853-7253
Foster CityMarlene Subhashini
Kareem Arabi
After Hours
msubhashini@fostercity.org
karabi@fostercity.org
Police Dispatch
(650) 286-3223
(650) 286-3270
(650) 286-3345
Half Moon BayTodd Seeley
After Hours Reporting (Sheriff’s Office)
TSeeley@hmbcity.com(650) 750-2029
(650) 726-8286
HillsboroughCarlos Castro
Mark Harris

After hours (Police dispatch, non-emergency)
pw@hillsborough.net(650) 375-7444

(650) 375-4740
Menlo ParkScott Jawstormwater@menlopark.org(650) 330-6750
MillbraeKevin Cesar
After Hours
kcesar@ci.millbrae.ca.us(650) 259-2374
(650) 363-4951
PacificaRoland Yip
After Hours
ryip@pacifica.gov
Police non-emergency dispatch
(650) 738-3768
(650) 738-7314
Portola ValleyHoward Younghyoung@portolavalley.net(650) 851-1700
ext 214
Redwood CityRobin Kimrkim@redwoodcity.org(650) 780-7464 (Mon-Fri 7am-4pm)
(650) 780-7464 (after hours)
San BrunoDennis BoschDBosch@sanbruno.ca.gov(650) 616-7160
San CarlosLou Duran, Public Works SupervisorPublic Works Dispatch
Police Dispatch (After Hours and Weekends)
(650) 802-4140
(650) 802-4321
San Mateo County (unincorporated)Office of Sustainabilitysustainability@smcgov.org(888) 442-2666
San Mateo County Flood ControlJulie Casagrandejcasagrande@smcgov.org(650) 363-4100
San MateoGustavo Lopez
Ella Phillips
Benjamin Zarrabi
Public Works (after hours)
glopez@cityofsanmateo.org
ephillips@cityofsanmateo.org
bzarrabi@cityofsanmateo.org
(650) 522-7342
(650) 522-7343
(650) 522-7349
(650) 522-7300
South San FranciscoAndy Wemmer
Hotline
After Hours
andrew.wemmer@ssf.net(650) 829-3840
(650) 829-3848
(650) 877-8900/8556
WoodsideYaz Emraniyemrani@woodsideca.gov(650) 851-6790