| EVENT | SPONSOR | DATE | LINK |
| 2013 Secchi Dip-In | EPA | Jun 29 – Jul 21 | https://www.secchidipin.org/ |
| Lake Thunderbird TMDL Workshop | ODEQ | 23-Jul | https://www.deq.state.ok.us/wqdnew/tmdl/thunderbird/index.html |
| Brownfield ARC Grant Writing Workshop – Stillwater | ODEQ | 30-Jul | https://www.deq.state.ok.us/mainlinks/COE/7_8_2013%20Calendar%20of%20Events.pdf |
| Brownfield ARC Grant Writing Workshop – Lawton | ODEQ | 31-Jul | https://www.deq.state.ok.us/mainlinks/COE/7_8_2013%20Calendar%20of%20Events.pdf |
| Comments Close for Lake Thunderbird TMDL | ODEQ | 1-Aug | https://www.deq.state.ok.us/wqdnew/tmdl/thunderbird/index.html |
| Garber-Wellington Association Meeting | ACOG | 15-Aug | https://www.acogok.org/Calendar/Default.asp |
