American Water and Essential Utilities Announce Expiration of Hart-Scott-Rodino Waiting Period for Proposed Merger

Regulatory milestones advance the AWK–WTRG merger, but closing remains months away.

Risk flags

• ●Regulatory risk remains material, as the merger still requires additional approvals and the Texas settlement is only in principle, not final. Delays or adverse decisions from remaining regulators could postpone or derail the transaction.
• ●Execution risk is elevated due to the long timeline—projected closing is by the end of Q1 2027—leaving the deal exposed to changes in market conditions, interest rates, or company performance over several quarters.
• ●Disclosure risk is present because no financial metrics, synergy estimates, or integration plans are provided. Investors cannot assess the economic rationale or potential value creation from the merger based on the current data.

Bottom line

This announcement confirms that key regulatory milestones for the American Water–Essential Utilities merger have been achieved, including HSR Act expiration and three state approvals, but the deal is not yet finalized. The companies provide clear customer and geographic scale numbers, but omit all financial data and synergy projections, leaving the investment case unquantified. The Texas settlement is only in principle, and further regulatory approvals are required, so the timeline to closing extends into late Q1 2027 at the earliest. No immediate financial or operational impact will occur until after closing, and the absence of financial disclosures limits investor ability to evaluate the deal's merits. The most important takeaway is that while regulatory progress is real, the investment impact remains speculative until both final approvals and concrete financial details are disclosed.

Announcement summary

(NYSE: AWK) American Water Works Company, Inc. and (NYSE: WTRG) Essential Utilities, Inc. announced that the waiting period under the U.S. Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, in connection with the pending merger of American Water and Essential Utilities, expired at 11:59 p.m., Eastern Daylight Time, on August 14, 2026. The expiration of the HSR Act waiting period satisfies one of the conditions to the closing of the pending merger. The companies have also received approval of the merger from the Kentucky Public Service Commission on April 21, 2026, from the Public Utilities Commission of Ohio on May 13, 2026, and from the Virginia State Corporation Commission on June 22, 2026. A settlement in principle has also been reached in Texas. Earlier in the year, shareholders of both companies overwhelmingly approved the transaction. The merger is expected to close by the end of the first quarter of 2027, but remains subject to customary closing conditions, including remaining required regulatory approvals. American Water provides safe, clean, reliable and affordable drinking water and wastewater services to approximately 14 million people with regulated operations in 14 states and on 19 military installations.

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