How to submit an aerobic maintenance report in Collin County, Texas
Collin County’s permitting authority is Collin County. Maintenance providers submit the 30 TAC §285.91 report through the county’s online report form.
County page: 'New OSSF Contracts, Maintenance Reports, and Change of Ownership forms will be submitted through our OSSF Report Portal' (a county web form at apps.collincountytx.gov/Forms/DS-AerobicPermit-Prod). Permit applications go through the Collin County Citizen Self-Service portal (Tyler EnerGov).
Reports are due within 14 days after the test (30 TAC §285.7(e)(1)(B)). Verified Oct 5, 2026.
Source: https://apps.collincountytx.gov/Forms/DS-AerobicPermit-Prod
Collin 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 Collin County and to the owner. Miss the second clock and the visit still happened, but the record says it did not.
Permits in Collin County, 2015–2025
| YEAR | ALL OSSF | SURFACE (SPRAY) | DRIP |
|---|---|---|---|
| 2015 | 753 | 631 | 13 |
| 2016 | 839 | 723 | 17 |
| 2017 | 835 | 721 | 26 |
| 2018 | 958 | 830 | 50 |
| 2019 | 840 | 735 | 51 |
| 2020 | 1,087 | 964 | 71 |
| 2021 | 872 | 759 | 69 |
| 2022 | 841 | 682 | 104 |
| 2023 | 717 | 583 | 93 |
| 2024 | 769 | 575 | 96 |
| 2025 | 752 | 515 | 125 |
Authorizations to Construct reported by every authorized agent covering Collin County. Surface irrigation and drip both require aerobic pretreatment; together they are the 8,433 aerobic systems above. The statewide dataset has all 254 counties.
Nearby counties
Is this out of date?
If you file in Collin 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.