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Joel Alvarez

WWTP Maintenance & Collection System - Permits & Business Administration Technician

  • SFSU Int'l Business Administration (BS)
  • NASSCO Certified: PACP, LACP, MACP
  • With SD5 since 2020

Abigail Balf

WWTP Operator

  • SWRCB WWTP Operator - G3
  • CWEA Water Treatment Operator GT2
  • CWEA Water Distribution Operator GD2
  • CWEA Collections System Maintenance G1
  • CMSA Public Education Committee Member
  • With SD5 since 2021

Chad Bilsborough

WWTP Operator

  • SWRCB WWTP Operator G2
  • CWEA Collections System Maintenance I
  • CMSA Public Education Committee Member
  • With SD5 since 2019

Pete Collodi

WWTP Maintenance & Collections System

  • With SD5 since 2021

Rulon (Casey) Cottrell

WWTP Operations Superintendent & Lab Director

  • SWRCB Grade IV WWTP Operator
  • CWEA Labratory Analyst l
  • CWEA Plant Maintenance Technologist I
  • CWEA Collections System Maintenance Il
  • CMSA Public Education Committee Member
  • With SD5 since 2014

Robin Dohrmann

Office Manager

  • Dominican University of CA, Pychology (BA)
  • 25 years in Operations & Administration
  • 15 years in Finance & Office Management
  • With SD5 since 2013

Arlee Hill

WWTP Operator

  • SWRCB WWTP Operator-In-Training l
  • CWEA Collections System Maintenance I
  • NASSCO Certified: PACP
  • With SD5 since 2022

Dan LaTorre

WWTP Maintenance & Collections System Superintendent

  • CWEA Collections System Maintenance I
  • CWEA Trench & Excavation Training
  • Certified Disaster Preparedness Training
  • ACES Certified Damage Prevention Specialist
  • Underground Service Alert Training
  • With SD5 since 2005

John Rosser

Sr. WWTP Maintenance & Collections System Technician - Permits & Construction Inspector

  • SWRCB Grade I WWTP Operator
  • CWEA Trench & Excavation Training
  • Certified Disaster Preparedness Training
  • Underground Service Alert Training
  • FOG (Fats, Oils & Grease) / Commercial Greasetrap Training
  • With SD5 since 2000

Tony Rubio

District Manager/Chief Plant Operator

  • SWRCB WWTP Operator - Grade V
  • A.S. Degree - Water & Wastewater Technology -Solano College
  • Certificate of Achievement: Water & Wastewater Technology-Solano College
  • NAASCO PACP, MACP, LACP Certified
  • CWEA Collections System Maintenance lV
  • CWEA Plant Maintenance Techonologist IV
  • CWEA Laboratory Analyst I
  • CWEA Bio-solids Lands Application Management l
  • CWEA Environmental Compliance Inspector I
  • 25 years of experience in the Wastewater Industry
  • With SD5 since 2008

Ignacio Salazar

WWTP Operator

  • SWRCB WWTP Operator-In-Training l
  • With SD5 since 2022

 Joseph Triola

Sr. WWTP Maintenance & Collections System Technician

  • CWEA Collections System Maintenance I
  • IBEW Electrician, 45 years of experience
  • With SD5 since 2013

Sewer Emergencies

24 Hours

(415) 779-9048

Dial 9-1-1 if public health or property is threatened.

Our Mission

Sanitary District No.5 of Marin County is a special District, which while meeting or exceeding all applicable local, state and federal laws and regulations, is dedicated to the protection of public health and the environment through effective and economical collection, conveyance, treatment and disposal of wastewater.