WATER MANAGEMENT PLATFORM
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WMP v2 · STEP 1 OF 6
ESMCorp
ENVIRONMENTAL SAFETY MANAGEMENT CORPORATION · SCIENCE 1ST™
Dr. Richard M. Lynch, Ph.D., CIH
(856) 764-3557 · rlynch@esmcorp.com · esmcorp.com
Founded 1992 · NJ / PA / NY / CT / DE
Saved WMP Drafts
ASHRAE 188 Quick Reference
ParameterLimit
HW heater outlet≥ 140°F (60°C)
Distal hot fixture≥ 122°F (50°C)
Recirc return≥ 124°F
Cold water supply≤ 68°F (20°C)
Free Cl₂ at distal≥ 0.2 ppm
Legionella growth zone68°F – 122°F
Cooling tower ORP≥ 650 mV
Pool / spa Cl₂≥ 3.0 ppm
Cooling tower Cl₂1.0 – 3.0 ppm
Note: NJ S2188 §2 consumer guidance cites ≥ 130°F for utility disruption notices only. WMP control limit is always 140°F per ASHRAE 188.
Building Profile
Building Address
Building Type
Year Built
Total Floors
Centralized Potable Water Heater System
Total Occupants
Overnight Rooms
Building Manager
Number of HW Heaters
Water Source
Water Inlet Location Type
Inlet Room / Location Description
Water Inlet Photo
Number of Zones
Water Flow Description
Water Flow Description
Describe how water enters the building, where it splits, how it is heated, and how it flows through each zone. Include any special features (cooling towers, ponds, kitchens, etc.) and third-party service relationships. This text will appear at the top of Section 2 in the WMP document.
Zone Builder
Third-Party Water Quality Contractors