Unitil Completes Purchase of Aquarion Water Company of New Hampshire and Abenaki Water Co.

American Water (Indiana American Water, Illinois American Water, etc.) Acquires Nexus Water Group Regulated Systems Across Eight States

June 1, 2026

Infrastructure

American Water Works Company, Inc. (through multiple state subsidiaries including Indiana American Water and Illinois American Water) completed its acquisition of regulated water and wastewater system assets from Nexus Regulated Utilities, a subsidiary of Nexus Water Group. The approximately $315 million (cash, subject to adjustment) transaction closed June 1, 2026 and expands American Water’s footprint in eight U.S. states, adding roughly 47,000 customer connections.

American Water Works Company to Merge with Essential Utilities in $63 Billion All-Stock Deal

October 28, 2025

Infrastructure

American Water Works Company, Inc. and Essential Utilities, Inc. announced a definitive, all-stock, tax-free merger under which Essential shareholders will receive 0.305 shares of American Water for each share of Essential. The combination is intended to create the largest regulated water and wastewater utility in the United States, serving about 4.7 million water/wastewater connections across 17 states, with the deal expected to close in the first quarter of 2027 subject to regulatory approvals and other customary conditions.

Quench Acquires AquaLine Pure Water Services

April 20, 2023

Environmental Services

Quench, a Culligan company headquartered in King of Prussia, Pennsylvania, has acquired AquaLine Pure Water Services, a long-standing Waterlogic dealer serving the Boston, Massachusetts metro area. The acquisition expands Quench's local presence and service capabilities in an important U.S. market while providing an exit for AquaLine's founder and customers continuity under Quench's platform.

NW Natural Water Acquires Northwest Water Services and Aquarius Utilities

May 26, 2022

Utilities

NW Natural Water Company, LLC (a subsidiary of Northwest Natural Holding Company) signed agreements to acquire Northwest Water Services and Aquarius Utilities, which together serve about 1,400 connections in Washington near its existing Cascadia Water footprint. The deals are subject to customary closing conditions, including Washington Utilities and Transportation Commission approval, and are expected to close in 2022.

Aquarion Company Acquires The Torrington Water Company

March 8, 2022

Utilities

Aquarion Company, the parent of Aquarion Water Company (a subsidiary of Eversource Energy), will acquire all outstanding shares of The Torrington Water Company in a stock-for-stock merger that will make TWC a wholly owned subsidiary of Aquarion. TWC shareholders will receive shares of Eversource Energy in a tax-free reorganization, and the deal is expected to close pending regulatory and stockholder approvals by the end of 2022.

NW Natural Water Agrees to Buy Ownership Stake in Avion Water Company

December 15, 2021

Infrastructure

NW Natural Water Company, a wholly owned subsidiary of Northwest Natural Holding Company, has agreed to purchase an ownership stake in Avion Water Company, the largest investor-owned water utility in Oregon. The transaction is expected to close in December 2021, with Avion Water’s existing management team continuing to run day-to-day operations.