How to submit an aerobic maintenance report in Grayson County, Texas
Grayson County’s permitting authority is Grayson County. Maintenance providers submit the 30 TAC §285.91 report on paper.
County 'Testing and Reporting' form: completed, signed and dated after each maintenance check (every 4 months); one copy to the homeowner and one mailed to 'Grayson County Courthouse – OSSF, 100 W. Houston – Suite G-3, Sherman, TX 75090'. Permit applications use MyPermitNow (MGO Connect).
Reports are due within 14 days after the test (30 TAC §285.7(e)(1)(B)). Verified Oct 5, 2026.
Source: https://www.co.grayson.tx.us/upload/page/0182/docs/Testing_and_Reporting.pdf
Grayson County at a glance
What every Texas report must contain
- ·The date of the visit and the name and licence number of the provider or technician who made it
- ·The system owner, the address and the permit number
- ·Readings taken: chlorine residual, effluent quality, sludge and scum where applicable
- ·Whether the disinfection device held an adequate supply
- ·Any maintenance, repair or part replaced during the visit
- ·What the owner was told to do, and the provider’s signature
From 30 TAC §285.91(4), Table IV. The full list is on what a Texas maintenance report must contain.
The two clocks
A conventional aerobic system with surface application is tested every four months, and each report is filed within 14 days of the test — to Grayson County and to the owner. Miss the second clock and the visit still happened, but the record says it did not.
Permits in Grayson County, 2015–2025
| YEAR | ALL OSSF | SURFACE (SPRAY) | DRIP |
|---|---|---|---|
| 2015 | 320 | 203 | 12 |
| 2016 | 465 | 329 | 15 |
| 2017 | 533 | 393 | 14 |
| 2018 | 556 | 403 | 28 |
| 2019 | 583 | 462 | 31 |
| 2020 | 676 | 520 | 39 |
| 2021 | 785 | 620 | 49 |
| 2022 | 873 | 712 | 87 |
| 2023 | 801 | 645 | 100 |
| 2024 | 774 | 632 | 111 |
| 2025 | 681 | 553 | 103 |
Authorizations to Construct reported by every authorized agent covering Grayson County. Surface irrigation and drip both require aerobic pretreatment; together they are the 6,061 aerobic systems above. The statewide dataset has all 254 counties.
Nearby counties
Is this out of date?
If you file in Grayson County and this is wrong — or if it is right and we have it marked unconfirmed — tell us and we will correct it. This is the only way the 248 unconfirmed counties get confirmed.
Summarizes public records as of Oct 5, 2026: the TCEQ authorized-agent register, the OSSF licence register, and the county’s own published pages. Not legal advice — verify with your permitting authority.