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91st Avenue WWTP/Ameresco Tour
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Join us on a tour of the renewal gas (RNG) plant located onsite at the 91st Avenue WWTP. This plant is the largest wastewater treatment biogas-to-RNG facility of its kind in the US and is capable of processing 3,250 standard cubic feet per minute (scfm) of raw digester gas produced at the wastewater treatment plant.

When: Wednesday, November 13, 2019
8:30 AM
Where: 91st Avenue WTTP
5615 South 91st Avenue
Tolleson, Arizona  85353
United States
Contact: Nathan Antonneau
(414) 418-9994

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Registration is $10 and includes breakfast, lunch and 4 PDHs.


Tour Schedule

8:15 – 8:30       Check in at North Gate

8:30 – 8:45       Parking and transportation to Admin Bldg

8:45 – 9:30       Breakfast & Facility Overview

9:30 – 12:00     Facility tour

12:00-12:30      Lunch in Conf Room



Meet at the main gate at 8:15 AM and we will coalesce into just a few vehicles and enter the plant as a group at 8:30 AM.  Late arrivals will not be accommodated.  Photo ID and PPE (i.e., hard had, work boots, safety glasses, and vests) are required.  Hearing protection is recommended; ear plugs will be provided if you do not have your own hearing protection.


A special thanks to the City of Phoenix for hosting this event and to Archer Western and Ameresco for sponsoring this event!


Parking Instructions: Click Here


Event Flyer: Click Here


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