Confidential Client
To support permitting of a discharge of treated wastewater effluent from a new wastewater treatment plant, Plummer developed a QUAL-TX model from HEC-RAS cross-sections of the receiving stream. Plummer customized site-specific model hydraulic coefficients for the stream by fitting curves to the velocity-flowrate and depth-flowrate relationships obtained from the HEC-RAS model. Plummer used the model to identify discharge flowrates and effluent quality limits that are projected to maintain the Texas Surface Water Quality Standards in the receiving water. Plummer wrote a modeling technical memorandum that was submitted as part of the TPDES permit application, answered TCEQ questions about the model, and assisted the client in gaining approval of the model from TCEQ modeling staff.
To support permitting of a discharge of treated wastewater effluent from a new regional wastewater treatment plant, Plummer assisted the NTMWD in developing a QUAL-TX model and a plan for collecting field measurements of stream geometry and flowrates.
Plummer developed a monthly water balance model of Lavon Lake and the NTMWD water supply system to support evaluation of different water supply and water treatment management options.
To support permitting of a discharge of treated wastewater effluent from a new regional wastewater treatment plant, Plummer assisted the NTMWD in developing a QUAL-TX model and a plan for collecting field measurements of stream geometry and flowrates.
Plummer updated the TCEQ’s regulatory model for the Upper Trinity River to a newer version and incorporated revised background flows.
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