Across Texas, any operation that provides water for human consumption through pipes or other constructed conveyances may be considered a Public Water System (PWS) — triggering a wide range of regulatory obligations under the Safe Drinking Water Act. From sampling and monitoring to reporting and corrective actions, these requirements can feel overwhelming, especially for small systems or non-traditional water providers.
ESE Partners supports PWS operators across Texas by streamlining compliance, simplifying regulatory expectations, and helping ensure that communities continue receiving safe, dependable drinking water.

A bulk liquid storage and transfer operator sought to launch a new ethanol transloading operation involving rail-to-truck transfers using closed-loop loading. ESE Partners completed a full Permit by Rule (PBR) authorization — delivering detailed emissions evaluations, regulatory applicability confirmation, and seamless coordination with TCEQ to support a compliant and on-schedule facility startup.

The Annual Waste Summary (AWS) is a mandatory reporting requirement for Texas hazardous and industrial waste generators — and the March 1 deadline arrives quickly. To avoid last-minute stress, facilities should begin validating waste data and generator status now. Here’s what you need to know and how ESE Partners supports a clean, accurate, audit-ready AWS submittal.

Every year, facilities across Texas face the same challenge: preparing an accurate Tier II report before the March 1 deadline. Whether you manage a manufacturing site, warehouse, utility operation, or industrial facility, staying ahead now can prevent costly delays later. Here’s what you need to know — and how ESE Partners supports full Tier II compliance from start to finish.

NSPS OOOO, better known as “Quad O,” is one of the EPA’s most significant federal air regulations impacting upstream and midstream oil & gas operations. From compressors to storage tanks to well sites, operators must control emissions, document monitoring activities, and maintain strict compliance. In this deep-dive, ESE Partners breaks down what Quad O requires, why it matters, and how our team helps Texas operators stay compliant while keeping projects efficient and moving forward.

The U.S. Army Corps of Engineers has announced a proposed rule to redefine Waters of the United States (WOTUS), with a final rule expected in 2026. ESE Partners is already reviewing the pre-publication draft to understand potential impacts on data collection, delineations, and permitting across Texas. Here’s what the new definition could mean for upcoming projects—and how we’re preparing clients for what’s ahead.