What is low impact development (LID)? It is a development and engineering design approach used to maintain pre-developed or natural site hydrology under post-development conditions. LID improves both stormwater quantity and quality by managing stormwater close to the source through infiltration, evaporation, and storage.
Some examples of LID are:
Why is LID important? Studies have shown that when the percent of impervious surface, (roads, sidewalks, parking lots, rooftops) in a watershed reaches the 10-20% range the stream is no longer able to function healthily, and the stream becomes impaired. In highly impervious watersheds, pollutants enter streams in higher concentrations and at faster rates compared to natural watersheds. Impervious surfaces also speed up the flow of stormwater runoff and cause erosion.
Tulsa's stormwater quality permit requires water quality standards to be maintained and the promotion of LID in development is one way to maintain stream health.
LID slows the flow of stormwater runoff, and allows it to soak into the ground, thereby removing harmful pollutants from entering our streams lakes and rivers.
The City of Tulsa recognizes the following individuals, groups and businesses that have incorporated LID into their building design:
| PACE Member | Address | LID Practice | Member Since: |
| Tulsa Health Department | 5635 Martin Luther King. Jr., Blvd. | Bioswale | 7-16-15 |
| Westside Harvest Market | 2232 S. Nogales Ave. | Rainwater Harvesting | 7-23-15 |
| Hope Unitarian Church | 8432 S. Sheridan Rd. | Rain Gardens | 7-23-15 |
| Brannin Residence | 5317 S. Columbia Pl. | Rainwater Harvesting | 1-20-15 |
| Restore Hope Ministries | 2960 Charles Page Blvd. | Rainwater Harvesting | 1- 27-15 |
| Pickard Residence | 636 N. Denver | Bio-swales, Rainwater Harvesting | 2-3-15 |
| Hardesty Arts Center | 101 E. Archer | Green Roof | 2-4-15 |
| Ross Residence | 903 S. Quebec | Rain Barrels | 2-27-15 |
| Barbara VanHanken | 2212 E. 38th St. | Rainwater harvesting, swales | 3-5-15 |
| The Tulsa Zoo | 6421 E. 36th St. N. | Rainwater harvesting, green roof, rain gardens | 3-6-15 |
| West Park Apartments | 2405 E. 4th Pl. | Bioswale, water harvesting | 3-6-15 |
| Warren Professional Building Corporation |
6475 South Yale | Green Roof, rainwater harvesting, stormceptors |
3-4-15 |
| Howell and Vancuren | 601 S. Lewis Ave. | Pervious Pavers | 3-23-15 |
| Andolini's Pizzeria | 1552 E. 15th St. | Pervious Pavers | 3-23-15 |
| Community Food Bank of Eastern Oklahoma | 1304 N. Kenosha Ave. | Bioswale | 5-5-15 |
| TriArch Architecture | 618 E. 3rd St. | Green Roof | 5-8-15 |
| Tulsa Community College Metro Campus |
909 S. Boston Ave. | Green Roof | 5-28-15 |
| Gustavson Residence | 1731 S. Rockford | Rain Garden | 5-21-15 |
| AmeriTrust | 4506 S. Harvard Ave. | Bioretention | 5-27-15 |
To become a member of PACE - LID, businesses must feature one or more of the above listed LID practices and agree to maintenance the LID feature as needed. PACE - LID members receive a certificate of appreciation, window display sticker, public recognition by the Stormwater Quality public education program, and may be featured on LID/environmental education tours in Tulsa.
To learn more information about becoming a PACE - LID member contact Stormwater Quality at (918) 591-4325 or email Jacob at StormwaterQuality@cityoftulsa.org
To learn more about LID in Tulsa and around the country visit:
Oklahoma State University Low Impact Development
Environmental Protection Agency Low Impact Development
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