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EPA Clean Water Act Industrial Pretreatment Standards Explained

By ClearWater Industries | Oct 13, 2026 |
Publicly owned treatment works receiving industrial wastewater under EPA pretreatment requirements

Industrial and commercial facilities often generate process wastewater that differs significantly from ordinary sanitary sewage. When that wastewater is discharged to a municipal sewer system, the facility may be subject to EPA industrial pretreatment standards designed to control pollutants before they reach a publicly owned treatment works (POTW). These requirements form part of the EPA’s…

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Understanding ASHRAE 188: The Legionella Risk Management Standard

By ClearWater Industries | Oct 13, 2026 |
Evaporative cooling towers covered by ASHRAE 188 Legionella risk management practices

Managing Legionella risk requires more than periodic testing. The ASHRAE 188 Legionella risk management standard provides a structured framework for identifying and managing conditions that may allow Legionella bacteria to grow or spread within building water systems. It establishes minimum risk management requirements for qualifying human-occupied commercial, institutional, multiunit residential, and industrial buildings, including their…

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Rhode Island Legionella Regulations: A Building Water Safety Guide

By ClearWater Industries | Oct 8, 2026 |
Worker standing between commercial cooling tower units.

Cooling towers may return to service while parts of a campus or commercial building remain lightly used. That leaves facility teams managing different operating conditions across the property, with idle equipment and low-use plumbing requiring separate attention. Understanding Rhode Island Legionella regulations starts with identifying which obligations apply to each water system. This guide connects…

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New York Local Law 122 Cooling Tower Registration Guide

By ClearWater Industries | Oct 8, 2026 |
Cooling tower with connected water piping and isolation valves.

A tower replacement changes more than the equipment on the roof. Model details, system records, and assigned contacts need to match the installation before it enters service, while the maintenance plan must reflect how the new tower will operate. For owners researching “local law 122 cooling tower registration NYC,” the applicable starting point is Local…

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Massachusetts Legionella Compliance Requirements: A Facility Guide

By ClearWater Industries | Oct 5, 2026 |
Aerial view of industrial water treatment tanks.

A campus wing reopens after limited use, but restoring occupancy does not confirm that its water systems are ready. Facility teams need to review stagnation, temperature control, and maintenance history before returning to routine operation. Understanding Massachusetts Legionella compliance requirements means connecting those operating conditions with obligations specific to the property. This guide explains how…

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Connecticut Cooling Tower & Legionella Compliance Guide

By ClearWater Industries | Oct 5, 2026 |

A cooling tower that runs reliably through July can need a different level of attention after several weeks of light use. In Connecticut schools and commercial buildings, seasonal transitions change tower schedules, water circulation, and treatment demand. Maintaining microbial control means knowing which cells remain wet, whether chemical feed reaches idle sections, and what must…

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Water Treatment for Semiconductor Fabrication Facilities

By ClearWater Industries | Sep 30, 2026 |
Facility mechanical room with insulated piping, circulation pumps, and pressure gauges.

Water supports cleaning, cooling, and other essential operations across the semiconductor industry. These applications have different quality requirements, making semiconductor fab water treatment a matter of matching each system’s treatment program to its intended use. For engineers and facility managers, this means understanding both specialized production-water needs and the utilities supporting semiconductor manufacturing. This guide…

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Pharmaceutical Manufacturing Water Treatment: A Facility Guide

By ClearWater Industries | Sep 28, 2026 |
Industrial water treatment vessels and piping in a facility utility room.

Water supports many operations across the pharmaceutical industry, from product preparation and equipment cleaning to heating and cooling. Each application has different water quality requirements, making pharmaceutical manufacturing water treatment a matter of matching treatment methods to the intended use. For managers and engineers at pharmaceutical facilities, this means understanding both production-water requirements and the…

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BOD vs COD Wastewater Testing: Key Differences and Practical Uses

By ClearWater Industries | Sep 28, 2026 |
Aerial view of a circular wastewater treatment tank.

Biochemical oxygen demand (BOD) and chemical oxygen demand (COD) help characterize wastewater by measuring oxygen demand in different ways. Both provide information about organic pollution, but they use different testing methods and cannot be treated as interchangeable results. Understanding BOD vs COD wastewater testing helps facility managers ask better questions about sampling, maintenance waste, and…

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Online Water Quality Monitoring Systems: Cooling Tower Readings to Action

By ClearWater Industries | Sep 24, 2026 |
Worker standing between cooling tower units at a commercial facility.

Cooling tower water quality changes as water evaporates, building demand shifts, and treatment conditions fluctuate. For schools, campuses, and commercial properties across the Northeast, seasonal startup and changing summer temperatures add complexity to daily operation. Online water quality monitoring systems help facility teams track these changes between routine service visits, providing readings that support timely…

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