Insights

Notes from the field.

Explainers on Legionella testing, SWPPP, dewatering, remediation, soil management, and other sectors, written for the stakeholders who have to navigate them.

Cooling Towers

What Happens When the Health Department Investigates a Legionnaires' Cluster

When NYC investigates a Legionnaires' disease cluster, cooling tower owners in the area can be ordered to clean, disinfect, and retest on short notice. Here's how the investigation actually unfolds — PCR screening, culture confirmation, and where owners fit in.

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JUL 2026
Cooling Towers

What Goes Into a Cooling Tower Maintenance Program & Plan

Every NYC cooling tower needs a written Maintenance Program and Plan before startup. Here's what the document actually has to contain — and why it's the operating manual regulators expect you to follow, not just a filing.

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JUN 2026
Cooling Towers

The NYC Cooling Tower Compliance Cycle, Start to Finish

From registration to annual certification — a plain-language walkthrough of what NYC actually requires of a registered cooling tower over the course of a year, with the full cycle mapped out.

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MAY 2026
SWPPP

Pre-Development Impervious Area: A Quirk in the NYC Stormwater Manual

The Stormwater Manual gives two different answers for how to calculate a site's pre-development impervious area — and the difference can change whether a project needs a SWPPP at all.

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APR 2026
Announcement

Welcome to AMC Insights

A new home for field notes on SWPPP, dewatering, remediation, soil management, and cooling tower compliance.

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MAR 2026

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