INTELLIGENCE

Technical insights on hydrology, compliance, and environmental engineering.

LATEST ARTICLES

Compliance

Understanding 2026 PFAS Compliance Requirements: A Technical Analysis of EPA Method 1633 and Treatment Train Engineering

A rigorous examination of the EPA's final MCLs for PFAS compounds, focusing on the transition to Method 1633 for compliance monitoring and the engineering challenges of implementing GAC versus Ion Exchange treatment trains in industrial effluents.

January 2, 2026

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18 min read

Data Centers

Thermodynamic Optimization: Improving WUE Metrics in Legacy Data Center Infrastructure

A deep dive into retrofitting adiabatic cooling systems and optimizing Cycles of Concentration (CoC) to meet modern Water Usage Effectiveness standards without complete plant capitalization.

December 12, 2025

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15 min read

Hydrology

Thermal Plume Modeling Fundamentals: CFD Methodologies and CORMIX Regulatory Standards for 316(a) Variances

An authoritative guide to computational fluid dynamics (CFD) in hydrological contexts, comparing near-field jet dynamics (CORMIX) versus far-field hydrodynamic transport (DELFT3D) for regulatory compliance.

November 28, 2025

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22 min read

Assessment

Phase I ESA Due Diligence: Advanced ASTM E1527-21 Protocols and Liability Protections

A comprehensive checklist for commercial real estate acquisition, focusing on the new ASTM E1527-21 standard, Vapor Encroachment Conditions (VEC), and the nuances of the Innocent Landowner Defense.

November 18, 2025

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14 min read

TECHNICAL GLOSSARY

Definitions and context for key hydrological and environmental compliance terminology.

POPULAR TERMS:

NPDES • WUE • PFAS • ELG • Phase I ESA • TRE