The Wastewater Information System Tool (TWIST)
Overview
 The Wastewater Information System Tool (TWIST) is an off-the-shelf,
user-friendly management tool that will allow state and local health
departments to effectively inventory and manage small wastewater
treatment systems in their jurisdictions. It is designed to track
information related to homes and facilities served, permits, site
evaluations, types of systems, inspections and complaints.
EPA developed TWIST as a comprehensive MIS system with a Microsoft
Access database for managing system information. The system
accommodates a wide variety of queries, list reports and mapping
applications if users provide relevant data. It is designed to help
identify and capture important system inventory and service
information, and to help standardize management information so data
can be easily transferred to other systems. TWIST will help answer key
questions for public health and water resource program managers, such
as:
- How many systems near drinking water sources have not been
maintained?
- Are there systems older than 35 years sited closer than 50 feet from
the lake shore?
- Which systems require inspection within the next year?
- How many systems of similar types have malfunctioned over the last
three years?
For more information about TWIST, click the link for the user guide or flyer below:
TWIST is now available online. Below are instructions if you are using TWIST for the first time or if you have ordered a CD previously and need to update your version.
TWIST Instructions for New Users |
TWIST Patch for Existing Users |
- Download the TWIST zip file below.
- This zip file contains the MS Access file TWIST.mdb
- Open the TWIST.mdb file.
- In MS Access click the Tools menu -> Database Utilities -> Linked Table Manager to open the Linked Table Manager Interface.
- Click "Select All"
- Browse to find the TWIST_Data.mdb and click "open" in the "Select New Location of Actions" menu.
- Close the TWIST.mdb file
- Step 2 only needs to be completed the first time you use TWIST. In the future you can just open the TWIST.mdb file to access the tool.
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- Rename the your old version of the TWIST.mdb file to TWIST_Data.mdb
- Download the TWIST Patch below.
- Copy the newly downloaded TWIST.mdb file into the same folder as the TWIST_data.mdb file.
- Open the TWIST.mdb file.
- In MS Access click the Tools menu -> Database Utilities -> Linked Table Manager to open the Linked Table Manager Interface.
- Click "Select All"
- Browse to find the TWIST_Data.mdb and click "open" in the "Select New Location of Actions" menu.
- Close the TWIST.mdb file
- Step 2 only needs to be completed the first time you use TWIST. In the future you can just open the TWIST.mdb file to access the tool.
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Click here to download TWIST |
Click here to download the TWIST Patch |
To order a free CD-ROM copy of TWIST, call 1-(800)490-9198 or (513) 489-8190, or send a written request to:
USEPA/NSCEP
P.O. Box 42419M
Cincinnati, Ohio
Fax: (513) 489-8695
Email: ncepimal@one.net
Please remember to include your address and phone number in your request.
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