Environment & Conservation

Foam Collection and Densifying Event on May 21, 2022

Examples of No 6 Foam including bevarage cup and clam shells

The City of Norman has partnered with Churches Caring for Creation to hold quarterly foam collection and densification events at the new Household Hazardous Waste Facility. On May 21, 2022, from 10 AM to Noon, bring your bagged and CLEAN number 6 polystyrene (Foam, AKA Styrofoam) to the Foam Collection and Densifying Event at the Household Hazardous Waste Facility (3803 Chautauqua). The acceptable items include molded packaging (not peanuts), cups and clamshells. Volunteers will collect the foam and demonstrate the densifying machine. Talk to volunteers and staff about the process and then watch the machine in action! No registration is required. Questions can be directed to the Environmental Services Division at 405-292-9731 or EnvironmentalServices@normanok.gov. Join us and make a difference!

Green Norman Eco Month Activities Huge Success!

Plant 1

Thank you to everyone who participated in one or more Green Norman Eco Month activity! You made a great impact on our environment, and we applaud you!



ReLeaf Norman

What is ReLeaf Norman?

  • A multi-year community-wide effort to replant trees in Norman
  • An education and awareness campaign to foster understanding of the benefits of the urban tree canopy
  • An investment in future generations

How can you participate?

  • Contribute $ to Norman Parks Foundation for purchase of trees
  • Send Check or Money Order to:

          Norman Park Foundation, Inc.
          P.O. Box 6523
          Norman, OK 73070

  • Volunteer at tree planting events
  • Help us chart our progress and let us know when you have planted a tree at trees@normanok.gov
  • Support your schools and churches in restoring lost or damaged trees

Conservation Information

Energy Conservation Tips

  • Turn off all unnecessary lights, especially in unused offices and conference rooms and turn down remaining lighting levels where possible.
  • Minimize energy usage during peak demand hours from 5:00 a.m. to 9:00 a.m. and 4:00 p.m. to 7:00 p.m.
  • Buy Energy Star appliances, products, and lights.
  • Turn off your computer monitor and printer when you aren't using them.
  • Set your computer to go into the energy saving mode when not being used for extended periods of time.
  • Carpool, walk, bike or take public transportation.
  • Recycle more, both at the office and at home.
  • Last One Out Turns Off The Lights.
  • Don't allow vehicles to idle for more than 5 minutes.
  • Adjust the thermostat when you leave at night or for the weekend.
  • Set printers and copiers to two-sided printing.


Rain Sensors and Freeze Gauge Ordinance

How much should I water my lawn? 


Average monthly bermudagrass evapotranspiration (ETturf), precipitation, and requirement for supplemental lawn irrigation in inches.

Month Average Bermudagrass ETturf Average Precipitation Average Irrigation Need
April 4.8 3.0 1.8
May 4.8 5.4 0.0
June 5.4 4.6 0.8
July 6.6 2.9 3.7
Aug. 5.9 2.5 3.4
Sept. 4.3 4.0 0.3


Average monthly tall fescue evapotranspiration (ETturf), precipitation, and requirement for supplemental lawn irrigation in inches.

Month Average Tall Fescue ETturf Average Precipitation Average Irrigation Need
April 6.8 3.0 3.8
May 6.9 5.4 1.5
June 7.7 4.6 3.1
July 9.4 2.9 6.5
Aug. 8.5 2.5 6.0
Sept. 6.1 4.0 2.1