I am building or remodeling



If your commercial development project has any discharge in excess of hand washing and toilet use, you must fill out a Pre-Treatment Questionnaire and submit it to the District’s Engineering Department for review.

If you are building or remodeling for a commercial business, refer to the appropriate requirements (restaurant, car wash, etc.) under the "I have a business" link to the left. As you prepare plans to build or remodel, you need to be familiar with the operating requirements with which the business will have to comply once it is opened. These requirements may have an impact on your plans to build or remodel.

Any change of use in residential or commercial sites that changes the amount, strength or type of sewer flow or increases your stormwater runoff flow requires you to also submit a Sanitary Sewer Information Form to the Engineering Department for review. Some work may also require a Sewer Encroachment Permit.

The easiest way to understand these various requirements is to call the District at 707-644-8949 ext. 1106. Based on your type of project, the Engineering Department will determine if any connection fees are due, which permits are needed, and what rates you will be charged. In most cases, your development plans will need to be submitted at the same time.

If your sanitary sewer or storm drain connection is changed in any way, even if there is no change of use, your project must be reviewed by the Engineering Department. Please submit your plans to the District office at 450 Ryder Street in Vallejo.

If you have any questions, please call us at (707) 644-8949 ext. 1106.


The Engineering Design Standards govern requirements and design standards in connection with main sewer, public and private laterals, and storm drains within the District's service area. For questions about the Engineering Design Standards, please contact the Engineering Department at 707-644-8949. The Engineering Standards may be updated periodically. Please check that you have the most up-to-date version before designing or constructing your project. The documents are combined into one large PDF as well as separated into sections for your downloading convenience.

Engineering Design Standards - Combined
Engineering Standard Details - Combined
Technical Specs

The sections of the Engineering Standards are separated below.

Engineering Design Standards Table of Contents
     Engineering Standards Details Table of Contents

Section 1: General
     General Details
Section 2: Development & Plan Preparation

Section 3: Sewer Design Standards
     Sewer Details

Section 4: Storm Drainage Design Standards
     Storm Details
     Tide Data and Stagegraphs

Section 5: Sewer Lateral Design Standards
     Sewer Lateral Details

Section 6: Pre-Treatment Requirements
     Pre-Treatment Details
     Pre-Treatment Questionnaire
      Grease Removal Device Variance Request (coming soon)

Superseded Standards

Master Bid Document (superseded 7/2020)
Addendum to Master Bid Document (superseded 7/2020)


All public or private sewer and drainage works proposed to be constructed, altered, or reconstructed by anyone within District boundaries requires review and approval by the District’s Engineering Department. You may contact the department at 707-644-8949 ext. 1106.

If your project includes but is not limited to new construction, a major remodel, or a change in use, you may be required to obtain a sewer connection permit. You will be directed to fill out a Sanitary Sewer and Storm Drain Information form by your reviewing engineer.

Sanitary Sewer and Storm Drain Information Form

If you are required to get a sewer connection permit, the following fees may be applicable. Please note: this document includes annual service charges in addition to connection permit fees.

Permitting Fees and Annual Rates (typically updated every February)
Plan Check Fees (typically updated every July)

If your project includes work on any part of a private or public sewer lateral, you will be required to fill out a sewer encroachment permit application. This permit is free.

Sewer Encroachment Permit Application

Please review the brochure below if your job includes concrete and/or mortar work.

Concrete and Mortar Brochure 

* Fillable forms require Adobe Reader DC. Please click here for a free download.