Engineering Resources
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- RWRD Standard Details
- Engineering Directives and Policies (updates to standards)
- Review of Existing Standard Details/Design Standards
- 2003 City-County Standard Specifications and Details
- RWRD Design Standards (currently under revision)
- Table of Contents (PDF)
- Procedures (PDF)
- Design Standards (PDF)
- Review of Existing Standard Details/Design Standards
- Memorandum of Understanding Regarding Construction of Private Cleanouts Based on the 2005-01 Engineering Directive, this form is a required submittal ensuring adherence to RWRD's HCS cleanout standards and listing all lots with buried HCS cleanouts. (PDF or Word file)
- Survey Cut Sheet Deliverable Form Use to submit survey cut sheets prior to commencing sewer construction (PDF or Word file)
- Capacity Determination Request Capacity Determination letters are used in the development process to obtain approval of sewer capacity for new rezonings, development plans, tentative plats, etc.
- Public Sewer Construction PermitsThe RWRD Public Sewer Construction Permits Section (520-740-6369) has been established as the central point for all construction permits for public sewer line installations. Click on link for more info.
- Capacity Determination Request - Capacity Determination letters are used in the development process to obtain approval of sewer capacity for new rezonings, development plans, tentative plats, etc.
- Type 1 Assessment Form and Instructions
- Type 2 Assessment Form and Instructions
- Type 3 Assessment Form and Instructions
- Industrial Wastewater Discharge Permit Application Industries that discharge hazardous wastes into the sewers, including car washes, auto repair shops, military facilities and hospitals, must have industrial discharge permits. Pima County Development Services and RWRD's Industrial Wastewater Control section can help you determine what can be disposed of down the drain, and what requires a permit. Click on link for more info.
- Septage Discharge Permit Application Any person who will discharge septage to the Septage Receiving Station of Pima County must obtain a Septage Discharge Permit. Click on link for more info.
- Development Services
- Pima County Land Planning and Regulation
- SWPPP - Stormwater Pollution Prevention Permits
- PDEQ Air Quality Permits
- Construction Permits for Municipalities
- Answers to common questions
- Overview of Connection Records
- Sewer Connection Online Search Use this online service to search for the sewer connection record for your house or business.
- Request for Verification of Sewer Connection This online form allows you to request information about a sewer connection by address or tax code number. Requests can also be made by fax. Before you use it, try our online search for sewer connection information (above).

