Septic systems in Jenks, OK
In Jenks, septic questions mostly come from acreage lots outside the core.
Water table
- Jenks sits on the river side of the county; countywide, 52.3% of mapped land has a seasonal high water table (FoundationSoils Tulsa County soil summary (USDA SSURGO, data as of Oct 13, 2026)).
Permits
- A DEQ soil test is $357.28, or $214.36 if you provide the pits (DEQ fee schedule, 7/1/2026-6/30/2027).
Homes
- About 78% of Jenks homes are owner-occupied and about 88% are single-family detached houses; roughly 67% were built in 2000 or later (U.S. Census ACS 2020-2024 for Jenks, via Census Reporter).
Tip: If your aerobic system is under 2 years old, the installer should be maintaining it (DEQ rules, OAC 252:641).
Contact: Oklahoma DEQ. Costs · FAQ
Jenks facts checked Oct 23, 2026.
Last checked Oct 23, 2026.