Water Quality Projects

Lower Colorado River Authority (LCRA) General Office Complex

MEC designed innovative water quality controls based upon LCRA’s Lake Travis NPS Ordinance. Design included both structural and vegetative controls. Structural controls included extended detention ponds, peat-sand filters, and wet ponds. The ponds were retrofit to serve existing structures as well as new construction.

Circle C Subdivision

MEC designed biodetention sites and over 2 dozen sediment/filtration ponds to meet City of Austin water quality regulations. Prepared Edwards Aquifer Water Pollution Abatement Plans (WPAP) and Sewage Collection System Plans (SCS) to meet TCEQ requirements.

Spanish Oaks

Designed retention/irrigation ponds with stormwater detention features to capture the peak flow of multiple storm events and utilized vegetative filter areas to meet LCRA and City of Bee Cave NPS Ordinance. Prepared Edwards Aquifer Contributing Zone Plans to meet TCEQ requirements. Prepared NPDES General Construction Permit Stormwater Pollution Prevention Plans (SWPPPs) to meet EPA requirements.

Falconhead

Designed retention/irrigation ponds with stormwater detention features to capture the peak flow of multiple storm events and utilized vegetative filter areas to meet LCRA and City of Bee Cave NPS Ordinance. Prepared Edwards Aquifer Contributing Zone Plans to meet TCEQ requirements. Prepared NPDES General Construction Permit Stormwater Pollution Prevention Plans (SWPPPs) to meet EPA requirements.

TCEQ Edwards Aquifer Rules

Provided technical Guidance on Best Management Practices for development in the Highland Lakes area. Participated on the committees to develop and draft the USFWS September 1, 2000 and November 27, 2002 Recommendations For Protection of Water Quality of the Edwards Aquifer.

US Fish and Wildlife Service Consultation

Obtained approval from USFWS that the development plans of Rim Rock, Rutherford West developments, located in the recharge and contributing zones to the Edwards Aquifer in Hays County, that the developments are not likely to adversely affect any threatened or endangered species.

Georgetown Village

Designed sedimentation/filtration ponds with stormwater detention features to capture the peak flow of multiple storm events and utilized vegetative filter areas to meet TCEQ Edwards Aquifer Standards. Prepared Edwards Aquifer Water Pollution Abatement Plans (WPAP) and Sewage Collection System Plans (SCS) to meet TCEQ requirements.