Wastewater Facilities Engineering
OUR SERVICES
Wastewater Facilities Engineering
LSSE provides comprehensive wastewater facilities planning, design, permitting, and construction phase services for treatment systems, collection systems, and source reduction programs. With over 39 years of experience serving municipal clients across western Pennsylvania and the Tri-State region, LSSE has gained the respect of regional regulatory representatives through the consistent delivery of sound, verifiable engineering data in support of source flow reduction and SSO / CSO corrective action plans.
Planning through construction phase services for over 162 miles of sanitary and combined sewers and 10 wastewater treatment plants — with project values ranging from $10,000 focused repairs to $10 million rehabilitation programs.
SERVICES PROVIDED
Treatment & Pumping Systems
- Wastewater treatment facility design & permitting
- Treatment facility permit renewals
- Capital project plans & 25-year facility planning
- Hydraulic re-rating & upgrade of wastewater treatment plants
- Toxicity reduction evaluations (NPDES permit compliance)
- Pump & lift station design & rehabilitation
- Innovative sludge digestion process design
- Operations technical support for treatment facilities
Collection System
- Sewer system evaluation studies (SSES)
- Flow monitoring, data analysis & QA/QC
- Infiltration/inflow (I/I) studies & source flow reduction
- Hydraulic & hydrologic modeling
- Sanitary sewer rehabilitation design & permitting
- Grade 4 & 5 defect repair plans
- Conventional open cut excavation projects
- Cured-in-place lining projects
- Complex tunneling projects
- Parallel source flow reduction sewer replacement projects
- SSO/CSO corrective action plans
Regulatory Compliance & Permitting
- Administrative consent order negotiation & corrective action plans
- Stipulated penalty negotiation support
- NPDES permit compliance & renewals
- Chapter 94 reports
- PA Act 537 facilities planning
- Industrial pretreatment programs
- PaDEP regulatory agency coordination
Wet Weather & Regional Programs
- Combined sewer overflow (CSO) characterization & mitigation
- Sanitary sewer overflow (SSO) characterization & elimination
- Wet weather control program management
- Multi-jurisdictional program coordination
- 3 Rivers Wet Weather (3RWW) program management
- Green stormwater infrastructure (GSI) planning & design
Grant Assistance & Administration
- PENNVEST grants & low-interest loans
- State Revolving Fund (SRF) for sewer
- EPA & DEP special appropriation grants
- USDA Rural Utilities Service (RUS) programs
- H2O PA grants & loans
- Grant administration, reporting & compliance