The foundational guidance for a 30-year track record of Long-Term Control Plans across ~700 US combined-sewer municipalities. Structured into Nine Minimum Controls, system characterisation, alternatives evaluation, selected-controls implementation and post-construction monitoring. Validates the phase-by-phase logic used in Stage 1 and demonstrates what long-term monitoring of outcomes looks like in practice.
US EPA (1995): Combined Sewer Overflows – Guidance for Long-Term Control Plan (EPA 832-B-95-002). Washington, DC: US Environmental Protection Agency, Office of Wastewater Management. URL [Accessed: 06.05.2026] PDF