Septic / Wastewater
You Need a Permit for a Septic System Outside City Limits
Building on rural land in Jim Wells County means getting a permit for an on-site sewage system — you cannot skip this step.
If your home or building is not connected to a public sewer, Texas law requires an on-site sewage facility, called an OSSF. That usually means a septic system. You must get an approved permit before you build or replace one.
The Texas Commission on Environmental Quality, or TCEQ, sets the rules for OSSFs across the state. But a local authorized agent — often at the county level — is usually the one who issues the actual permit.
If you are buying rural land in Jim Wells County, ask two questions. First, is there already an OSSF on the property? Second, was it properly permitted? An unpermitted or broken system can cost a lot to fix. Contact Jim Wells County or TCEQ to find out who the local authorized agent is and what steps are needed to get a permit here.
Source to confirm: TCEQ — On-Site Sewage Facilities: Information for Homeowners