Follow the steps to complete the OK DEQ 641-581P form online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. In the general information section, enter the name and mailing address of the property owner, including their phone number and optional email address. Fill in the property address with street, city, and zip code details.
3. Provide the legal description of the property, including the county and lot size in square feet or acres.
4. Indicate the finding location, specifying blocks or miles from a given point, and detail the water supply type — either individual private well or public water supply along with its name.
5. In the waterbody protection area section, check the appropriate zone if the dispersal field is located in a protected area.
6. Complete the flow certification section, specifying the number of bedrooms for a residence or the water usage for a business related to the sewage treatment system.
7. Record the soil test results, including the test hole depth and percolation rate for each test hole. Specify if CSA, Lagoon, or ASI systems are being used.
8. Document the shallowest depth at which groundwater was encountered and the overall percolation rate.
9. Fill in the presoak certification to confirm that the presoak procedure was conducted properly before testing.
10. The soil tester must provide certification by signing where indicated, and include their registration number and date signed.
11. Select the recommended system type by checking the relevant option and complete the system design and treatment details including capacity, dimensions, and location of percolation test holes.
12. Finally, ensure all sections are filled out properly. Once completed, you can save changes, download, print, or share the form as necessary.

Complete your OK DEQ 641-581P form online today to ensure your on-site sewage treatment process is compliant and effective.