Guadalupe County, TX septic permits and regulations
Septic systems in Guadalupe County, Texas are permitted by Guadalupe County Environmental Health Department under 30 TAC Chapter 285.
Septic permit program
- Program type: County Program
- Authorized agent: Michelle Coleman
- Own septic program: Yes
- Local rules beyond the state: Yes
- Population: 172,706
Permit fee comparison
Average septic permit fee in Guadalupe County: $289. Texas average: $285.
Local rules
Permit required for all OSSFs regardless of lot size/acreage (stricter than state - no 10-acre exemption). OSSF Order requires 1 acre minimum; smaller lots subdivided before Oct 1, 1997 may apply but must comply with Chapter 285 and Guadalupe County OSSF Order (TCEQ 285.4(b)). 30-day review timeline per TCEQ 285.3(c). Guadalupe County On-Site Sewage Facilities Order effective 1966, amended 1967, 1979, 1988, 2005, 2008, 2009. Governing laws: Chapter 366, TAC Ch 285, TAC Ch 30 Subchapter A/G, Texas Water Code Sec 7.173. Single-family homeowners may install/repair own OSSF but must meet all permitting, construction, and maintenance requirements; site evaluation must be by licensed SE or PE (30 TAC 30.244). Buying property with existing OSSF requires permit to connect. Secondary treatment/drip irrigation systems must be inspected every 4 months. Contact: 830-303-8858, [email protected]. Address: 310 IH 10 West, Seguin TX 78155.
What SepticPro has on file for Guadalupe County
- 9 permit fees with sources
- The agency phone, email and office address
- Setback distances
- Soil and perc test requirements
- Allowed system types
- System design rules
- Inspection requirements
- Maintenance and pumping rules
- Point-of-sale rules
- Installer, designer and pumper licensing
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Draw a permit-ready site plan for Guadalupe County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Guadalupe County Environmental Health Department. See how SepticPro site plans work.
Other Texas counties
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Data checked 2026-03-16. Always confirm requirements with Guadalupe County Environmental Health Department before applying.