Acequia School Nitrogen Reduction SystemAdvanTex Treatment teams up with Blue Water Technologies to give nitrogen a one-two punch |
|
|
| |
Leadership of the Minidoka County Joint School District in Idaho found themselves in need of a new elementary school. Due to the project location, on-site wastewater treatment was the only option. The nutrient/pathogen study, as required by the Idaho Department of Environmental Quality (IDEQ), exposed the sewage disposal limitations of the selected site due to high background concentration of nitrates found in the local groundwater. IDEQ prescribed a treatment package that would only allow discharge effluent containing a maximum of 5 mg/L.
The decision was made to couple an Orenco AdvanTex Treatment System with a Blue Water Blue Nite System. The AdvanTex system would be required to nitrify the raw effluent while providing denitrification at approximately 65%. The Blue Water system would then insure near-complete denitrification in its portion of the process.
|
Craig Rassmussen, P.E. of Sargent Engineers, worked closely with engineers at Orenco, Blue Water and R.C. Worst & Co. to formulate a plan. “Our firm contacted Allen Worst of R.C. Worst & Co. for design assistance on this project. Allen’s on-site assistance and oversight during construction was a key factor in the successful installation of the system. Additionally, our team benefited from his organized and positive approach to getting the job completed,” said Rasmussen.
Through the collaboration, a configuration of two massive FRP septic/dosing tanks and three of Orenco’s AX100 treatment pods were selected to do the heavy lifting for this project. The FRP tanks provide the needed septic storage and retention time, treatment recirculation storage, Blue Water dosing and drainfield dosing while the AdvanTex AX100 Pods provide biological reduction and complete nitrification.
In June of 2009 the complete system was installed by Hoffco Excavation of Burley, Idaho. The entire system was installed during the month of June and July. |
Project Summary |
||
|
|
|
Installation Date June 2009
Description Advantex® Treatment System with Pressurized Trench Drainfield
Design Flow 9,900 gpd
|
System Engineer Craig Rassmussen P.E. Sargent Engineers
Contractor Petra
Installer Hoffco Excavation
|
Operator Minidoka School Maintenance Staff
|
System Summary |
|
|
|
Treatment System
|
Disposal System:
|