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Basic septic system rules for Oklahoma
(Oklahoma Cooperative Extension Service, 2017-10)
On-site wastewater treatment systems permitted in Oklahoma
(Oklahoma Cooperative Extension Service, 2012-03)
Septic systems - What to do after severe weather
(Oklahoma Cooperative Extension Service, 2019-04)
Soil-based septic system decisions in Oklahoma
(Oklahoma Cooperative Extension Service, 2013-09)
Septic system basics for realtors
(Oklahoma Cooperative Extension Service, 2016-08)
Keep your septic system in working order
(Oklahoma Cooperative Extension Service, 2014-07)
Aerobic treatment system
(Oklahoma Cooperative Extension Service, 2014-07)
Septic system basics for home builders
(Oklahoma Cooperative Extension Service, 2016-08)