Municipal Separate Storm Sewer SystemInformation concerning DART's Municipal Separate Storm Sewer System (MS4) status and actions are submitted to the Texas Commission on Environmental Quality (TCEQ) on TCEQ form #20561, before March 31 each year. The following is a concise summary of DART's MS4 2021 annual report.
- Municipal Separate Storm Sewer System (MS4) Annual Report (PDF file opens in a new window)
"2021 Summary" for Dallas Area Rapid Transit (DART)
Report for calendar year 2021 (1/1/2021 to 12/31/2021) Permit # TXR040232