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Please be advised that Toho Water Authority is experiencing technical issues with our Telephone and Payment systems. We hope to have the issue resolved as quickly as possible. We appreciate your patience.

Developers/Contractors

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Helping you with your plans

We have added Autocad and PDF files that can be downloaded for your plan sets and submitted to Toho for approval.

Download Them All (DWG or PDF)
DWG Details
PDF Details

Or Just Download The Ones You Want (DWG Only)
TWA-01 Typical Potable Water & 01.1 Irrigation Service
TWA-02 Typical Commercial Water Service
TWA-03.0 CDR Boxes 4 Meters, 03.1 CDR Boxes 6 Meters & 03.2 CDR Boxes 8 Meters
TWA-04 Typical Cul-De-Sac Water/Reuse Piping
TWA-05 Sanitary Sewer Lateral
TWA-06 Sanitary Cleanout
TWA-07 Standard Manhole
TWA-08 Miscellaneous Manhole
TWA-09 Inside Drop or Force Main Connection to Manhole
TWA-10 Sand and Mud Trap
TWA-11 Oil Interceptor
TWA-12 Grease Interceptor
TWA-13 Sampling Station
TWA-14 Typical Pipe Trench Section
TWA-15 Open Cut
TWA-16 Pipe Clearances
TWA-17a Sealed Valve Box, Adjustable
TWA -17 Valve and Box Details
TWA-18 Above Ground Air Release Valve - Sewer Only
TWA-19 Thrust Restraint
TWA-20 Restrained Joint Table
TWA-21 Jack and Bore
TWA-22a Reuse To Potable Jumper
TWA-22 Reuse Meter Backflow
TWA-23 Potable Water Backflow
TWA-24 Automatic Flushing Device
TWA-25 Blowoff
TWA-26 Fire Hydrant
TWA-27 Dirt Road Manhole Protector
TWA-28 Bollard
TWA-29 Water, Sewer, Reuse Service Location
TWA-30 Temporary Jumper Connection
TWA-31 (0-4) Lift Station

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​Helping you with your plans

STANDARD DETAILS

Helping you with your plans