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Sec. 5.I. – Final Signature Block

Section 5.I.

Final Signature Block

Signature block to be added to final Drainage Plans and Plats. This new Final Signature is effective August 1, 2021.

Master Drainage Plan

The full 4-volume Master Drainage Plan can be viewed at the District offices: 4813 W. Broadway, Pearland, TX 77581

Annual Financial Report & Single Audit

Brazoria Drainage District No. 4 Annual Financial Report & Single Audit for FY 2020

Approved by the Board of Commissioners March 9, 2021

Coronavirus Updates

Brazoria Drainage District No. 4 is closely monitoring all Coronavirus (COVID-19) information from public officials and will make any necessary adjustments to our daily business. The District is following the 6′ social distancing guidelines for all in person meetings and all visitors to the District offices must wear a mask.

For more information please visit the following links:

Federal Flood Risk Reduction Project – Clear Creek

The Clear Creek Federal Flood Damage Reduction Project is a partnership project between the U.S. Army Corps of Engineers, the Harris County Flood Control District, Galveston County, and Brazoria Drainage District No. 4. As of the June 2019 Project Partnership Agreement between the Corps and the Harris County Flood Control District, the Flood Control District is the lead agency for this project, under a non-federal implementation pilot program authorized by Section 1043(b) of the Water Resources Reform and Development Act (WRRDA) of 2014.

The portion of this project within the limits of Brazoria Drainage District No. 4 is Clear Creek between SH 288 and Dixie Farm Road and Mary’s Creek from Harkey Road to SH 35.

For more information please click on the following links:

Hazard Mitigation Plan

Brazoria Drainage District No. 4’s Board of Commissioners has adopted the updated Hazard Mitigation Plan at the January 7, 2020 board meeting.

The updated plan can be downloaded at the following link:

BDD4 Hazard Mitigation Plan

Texas Tax Code Section 26.18

Information Required by Texas Code Section 26.18

No Early Voting

Notice: Brazoria Drainage District No. 4 IS NOT an early voting location.

List of early voting locations:

- Pearland East Branch Location – Tom Reid Library: 3522 Liberty Drive
- Pearland West Branch Location – Westside Event Center: 2150 Country Place Parkway
- Pearland Shadow Creek Location – Pearland Westside Library: 2803 Business Center Drive #101

City of Pearland – Important Voting Dates:

Click here for City of Pearland voting information

Flood Warning System

Harris County Flood Warning System

In 2018 Brazoria Drainage District No. 4, through the use of a Memorandum of Understanding (MOU) with the City of Pearland and an Inter-local agreement with the Harris County Flood Control District, installed 8 new rain/storm gauges throughout the district (map of gauge locations).

The purpose of this project was to remove the old gauges that the City of Pearland owned and replace them with the newest technology in order to give residents within our jurisdiction real-time monitoring of our local streams and bayous. The data includes water levels, rainfall amount, historical flooding data, a visual cross-section of the associated drainage channel, and our benchmark information at each gauge station.

When it begins to rain, data-collecting sensors at each gauge station transmit rainfall amounts via radio frequency every time 0.04 inches of rain is measured by the sensor. Sensors that transmit bayou/stream levels report every 0.10 foot rise in water levels. The sensors transmit information to four primary repeaters located in the Huffman, Clodine, League City, and Tomball areas.The repeaters then relay the data to primary and back-up base stations located at Houston Transtar and at the Harris County Appraisal District. The information is monitored daily by software and by Flood Control District staff to ensure the gauges are properly functioning and transmitting accurate data.

Update: We have are in the process of adding 8 new locations around our District. Check out the latest map and get live updates via text or email at the Harris County Flood Warning System site:

Flood Warning System Map

More Information:

Westminister Ditch

This project has been completed

Westminister (BBQ) Ditch is an existing drainage channel located just north of the intersection of FM 518 & Pearland Parkway. The ditch is a grass-lined channel that drains east before discharging into Clear Creek.

The purpose of this project is to shift the ditch within District owned Right of Way in order to provide sufficient maintenance access on both sides of the channel. The District will also rehabilitate and re-establish the slope of this ditch as well as replace failing outfalls.