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Nearby Septic — nearbyseptic.com · Verified septic directory · printed Sep 29, 2026
Texas › Donley County
County directory

Donley County septic services.

We’re verifying Donley County providers against TCEQ license records now — the directory below grows as pros pass verification.

Updated July 31, 2026

Donley County, at a glance
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Permitting authority
Greenbelt Miwa Authorized Agent
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Permits

Who issues them here.

Greenbelt Miwa Authorized Agent

Covers w/in 75 ft of the 2,674 msl contour line of Greenbelt Reservoir

4610 Hwy 70 N, Clarendon 79226
(806) 874-3650
FAYLONWATSON@WILDBLUE.NET
Official septic information ↗

Permit fees, forms & process

New installs and major repairs need a permit from the local authorized agent — usually the county, sometimes a city — and the rules that bind are the local ones.

This county’s full guide is still in production — the authority contact shown here is the official source in the meantime.

All Texas permit guides

Local rules

What’s different in Donley County.

Four things decide what you can build and what it costs: zoning, environmental protections, power for aerobic systems, and the ground itself. We publish each one only where we have checked it — and say so plainly where the answer is “same as the rest of Texas”.

Zoning & land use

No county body in Donley County regulates septic. The commissioners court has adopted no on-site sewage facility order, so under Health and Safety Code § 366.031 the county is not a TCEQ authorized agent. The only designated agent is the Greenbelt Municipal and Industrial Water Authority, and only within 75 feet of the 2,674-foot contour line of Greenbelt Reservoir. Everywhere else the permit comes from TCEQ Region 01 in Amarillo under 30 TAC Chapter 285.

Source: Texas Commission on Environmental Quality, OSSF authorized agent county lookup (OARS) — result for Donley County ↗ · retrieved Aug 7, 2026

Also: Texas Health and Safety Code §§ 366.031–366.032, On-Site Sewage Disposal Systems (current through the 89th Legislature, 2nd Called Session, 2025) ↗ · retrieved Aug 7, 2026

Environmental protections

Nothing in Donley County changes this. Texas adds a separate approval path over the Edwards Aquifer recharge, transition and contributing zones, where TCEQ requires an Edwards Aquifer Protection Plan under 30 TAC Chapter 213. Elsewhere the Chapter 285 rules stand on their own.

How Texas permitting works

Checked against TCEQ, 30 TAC Chapter 213 (Edwards Aquifer), Subchapters A and B — Edwards Aquifer and Contributing Zone in Medina, Bexar, Comal, Kinney, Uvalde, Hays, Travis and Williamson Counties (chapter review date 8 March 2024) ↗ · retrieved Aug 7, 2026

Geology & soil

The dominant constraint here is bedrock close to the surface (14.0% of rated soils), followed by so much gravel that effluent may reach groundwater before it is filtered (12.7%). NRCS rates 29.2% of rated ground very limited for a standard soil absorption field, 12.0% for subsurface drip and 12.0% for surface application with disinfection. Where a conventional field will not pass, subsurface drip is usually the route that does.

Source: USDA Natural Resources Conservation Service, Soil Survey Geographic Database (SSURGO), queried via Soil Data Access (gSSURGO vintage 21 November 2025) ↗ · retrieved Aug 7, 2026

i3 of 4 local factors researched for this county so far. Each one is published with the authority it came from and the date we read it. Methodology

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