Introduction In municipal and industrial water treatment, the reliability of process analytics—pH, conductivity, dissolved oxygen, and turbidity—often hinges not on the sensor electronics, but on the mechanical interface with the process stream. A surprising 25% of premature sensor failures in wastewater applications are attributed to improper mounting, poor flow dynamics at the insertion point, or […]
FACILITY BASIC INFORMATION Plant Name: AlexRenew Water Resource Recovery Facility (WRRF) Location: Alexandria, Fairfax County, Virginia Operating Authority: Alexandria Renew Enterprises (AlexRenew) Design Capacity: 54 MGD (Average Daily Flow) Current Average Flow: ~35-40 MGD Population Served: ~320,000 residents Service Area: City of Alexandria and portion of Fairfax County Receiving Water Body: Hunting Creek (tributary to […]
Facility Snapshot Plant Name: Noman M. Cole Jr. Pollution Control Plant (NMCPCP) Location: Lorton, Fairfax County, Virginia Operating Authority: Fairfax County Wastewater Management Program Design Capacity: 67 MGD Treatment Level: Advanced Tertiary (AWT) Receiving Water Body: Pohick Creek (tributary to Gunston Cove/Potomac River) 1. Introduction The Noman M. Cole Jr. Pollution Control Plant (NMCPCP) serves […]
FACILITY BASIC INFORMATION Plant Name: Boat Harbor Treatment PlantLocation: Newport News, VirginiaOperating Authority: Hampton Roads Sanitation District (HRSD)Design Capacity: 25.0 MGDCurrent Average Flow: ~16.0 MGDPopulation Served: Approx. 135,000 (part of regional system)Service Area: City of Newport News and City of HamptonReceiving Water Body: James River (Lower)NPDES Permit Number: VA0081256Year Commissioned: 1948 (Major expansion in 1994) […]
The authoritative technical resource for the Hampton Roads Sanitation District’s flagship facility in Norfolk, Virginia. FACILITY BASIC INFORMATION Plant Name: Virginia Initiative Plant (VIP) Location: Norfolk, Virginia (4201 Powhatan Avenue) Operating Authority: Hampton Roads Sanitation District (HRSD) Design Capacity: 40.0 MGD (Hydraulic) Peak Hydraulic Capacity: 80.0 MGD Population Served: Approx. 200,000+ (Norfolk, sections of Virginia […]
Introduction The anaerobic digester gallery is arguably the most complex and hazardous environment within a Water Resource Recovery Facility (WRRF). Engineers are tasked with balancing two volatile forces: the biological/hydraulic requirement to keep sludge moving and heated, and the thermodynamic requirement to safely contain and manage explosive methane gas. A single specification error in either […]
Location: Springfield, Greene County, MissouriOperating Authority: City of Springfield Department of Environmental Services Facility Snapshot Design Capacity: 42.5 MGD Peak Hydraulic Capacity: 100+ MGD Population Served: ~165,000 residents Service Area: South Springfield, Battlefield, and Greene County Receiving Water Body: Wilson’s Creek (James River Basin) NPDES Permit: MO-0023132 Treatment Level: Advanced Secondary with Tertiary Filtration and […]
Introduction to Ozone System Engineering Ozone generation is one of the most chemically potent yet operationally complex technologies in the water treatment arsenal. Unlike UV or chlorination, ozone is generated on-site, requiring a sophisticated integration of power supply, gas preparation, cooling thermodynamics, and mass transfer mechanics. For municipal and industrial engineers, the challenge is rarely […]
FACILITY BASIC INFORMATION Plant Name: Blue River Wastewater Treatment Plant Location: 7300 Hawthorne Road, Kansas City, MO 64120 Operating Authority: KC Water (Kansas City Water Services Department) Design Average Flow: 105 MGD Peak Wet Weather Capacity: ~360 MGD (Secondary), ~960 MGD (Total Hydraulic) Population Served: ~300,000+ residents Service Area: Kansas City, MO (South of the […]
A Technical Review of St. Louis’ Largest Wastewater Infrastructure Asset FACILITY BASIC INFORMATION Plant Name: Bissell Point Wastewater Treatment Plant Location: 10 East Grand Avenue, St. Louis, MO 63147 Operating Authority: Metropolitan St. Louis Sewer District (MSD Project Clear) Design Capacity (Secondary): 210 MGD Peak Hydraulic Capacity: >400 MGD Current Average Flow: ~145 MGD Population […]