Stormwater Quality Permit Regulations in Houston Public Works - January 2018 Update

Houston's Stormwater Quality Permit regulations, based on the Clean Water Act, have evolved over the years, with updates in 2001, 2009, and more. The city's Chapter 47, Article XII outlines requirements for development projects, impervious surface increases, and non-stormwater sources. Stormwater Quality Permits aim to prevent pollution in the storm sewer system by regulating discharges.

• Stormwater
• Regulations
• Clean Water Act
• Houston Public Works
• Permit

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1. ORDINANCE UPDATE CHAPTER 47, ARTICLE XII STORMWATER QUALITY PERMITS | January 2018 HOUSTON PUBLIC WORKS

2. CLEAN WATER ACT basis for stormwater regulations at federal, state and local level

3. CLEAN WATER ACT HISTORY 1990 1970 1980 2000 2010 1970 EPA established 1972 Clean Water Act enacted by Congress 1987 Amended to address stormwater 1990 EPA sets rules 1991 Houston applies for required permit 1998 Permit issued by EPA for MS4

4. CLEAN WATER ACT HISTORY 1990 1970 1980 2000 2010 2001 Houston adopts Ch. 47, Article XII; begins issuing stormwater quality permits 2009 Permit renewed by TCEQ 2013 Houston files for permit renewal 2016 Houston ordinance updated 2018 Renewal pending

5. HOUSTON CODE Chapter 47 Water & Sewers Article XII Stormwater Discharges last revised Nov. 2016

6. UPDATES Size requirements new development projects - permit required if 1 acre or larger redevelopment projects - impervious surface 0.2 acres or more Clarify non-stormwater permitted sources Change Type 1 & 2 industrial facilities to high risk

7. UPDATES Remove City long-term maintenance provision Require small construction sites perform best management practices

8. Size Requirements A stormwater quality permit will be required if: - property is 1 acre or larger - redevelopment increases impervious surface 0.2 acres or more

9. Non-Stormwater Sources watering lawn, waterline flushing, firefighting, air conditioning condensation, roofing drains

10. Stormwater Quality Permits Purpose: keeps pollution, trash & debris out of storm sewer system

11. PERMIT FEES RENEWAL $199.52 NEW $370.59 renewed annually for life of the site

12. BY THE NUMBERS 450 400 350 300 250 200 150 100 50 0 2010 2011 Notice of Intent 2012 2013 2014 2015 2016 2017 Construction Site Notice

13. THANK YOU questions? Kathlie.Bulloch@houstontx.gov