An MCDD #1 permit is required when:

1. The proposed development is located within MCDD #1 boundaries.
2. Any of the proposed development outfalls to an MCDD #1 easement.
3. The proposed improvement takes place on a tract of land GREATER than ONE acre.
4. The proposed improvement (fill/excavation) will modify the natural or existing flow of water.
5. The proposed fill material will be placed within less than ten (10) feet of the property lines.

1. PERMIT APPLICATION - IMPORTANT NOTICE

Changes to our Permit Application Submission Process

The District is transitioning from paper and email permit applications to a secure web-based portal (Portal).

• New Applications: Beginning October 1, 2025, all new applications must be submitted through the Portal. Paper and email submissions will no longer be accepted after this date. Until then, please continue using the current process as follows:
  a) Submit the Permit Application and supporting documents in PDF format to mcdd1permitting@quiddity.com
  b) Submit a check payable to “Matagorda County Drainage District #1” for the respective fee(s) and a hard copy of the application and supporting documents to the MCDD #1 office located at 2604 Nichols Ave., Bay City, TX 77414.
• Existing Applications: If you have an active or ongoing application, our team will contact you directly with the next steps. Re-submittals will continue under the current process until October 1, 2025.

Training Session

A virtual training session will be held via Microsoft Teams on September 29, 2025, at 2:00 PM. The session will include a presentation and a moderated Q&A. Applicants will have the opportunity to submit questions and comments. Please register here.

Key Reminders

• Mark these dates on your calendar.
• For immediate questions or concerns, contact our support team at mcdd1permitting@quiddity.com.

2. APPLICATION GUIDELINES, & HELP

Guidelines: