Eric Thornburg

Director/Board Member at CONNECTICUT WATER SERVICE, INC.

Net worth: 5 M $ as of 2026-07-30

65 year

54 connections

Utilities

Finance

Consumer Services

Profile

Eric W.
Thornburg is currently Chairman & Chief Executive Officer at San Jose Water Co. since 2018.
Mr. Thornburg is Director at Tetra Tech, Inc. starting in 2026.
Mr. Thornburg is Director at Connecticut Water Service, Inc. since 2006.
Mr. Thornburg is Trustee at Water Research Foundation.
Formerly, Mr. Thornburg was Chief Executive Officer at The Texas Water Co. from 2017 to 2018.
Mr. Thornburg was President & Chief Executive Officer at H2O America Land Co. from 2017 to 2018.
Mr. Thornburg was Chairman at H2O America NE LLC.
Mr. Thornburg was Non-Executive Chairman at H2O America from 2025 to 2026.
Mr. Thornburg was Director at Liberty Bank (Middletown, Connecticut).
Mr. Thornburg was President & Director at National Association of Water Cos.
Mr. Thornburg was Vice President-Central Regional External Affairs at American Water from 2004 to 2006.
Mr. Thornburg was President at Missouri-American Water Co. from 2000 to 2004.
Mr. Thornburg earned an MBA from Indiana Wesleyan University.
Mr. Thornburg completed undergraduate studies at Cornell University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
H2O AMERICA 0.18%	2026-03-23	77,221 ( 0.18% )	5 M $	2026-07-30

Eric Thornburg active positions

Companies	Position	Start
CONNECTICUT WATER SERVICE, INC.	Director/Board Member	-
TETRA TECH, INC.	Director/Board Member	2026-03-29
San Jose Water Co. San Jose Water Co. Water UtilitiesUtilities Provides water utility services	Chief Executive Officer	2017-11-05
Water Research Foundation Water Research Foundation Water Research Foundation is a non-profit company based in Denver, CO.	Director/Board Member	-

All active positions of Eric Thornburg

Former positions of Eric Thornburg

Companies	Position	End
H2O AMERICA	Chief Executive Officer	2025-06-29
American Water American Water Water UtilitiesUtilities Provides water, wastewater and other water resource management services	Public Communications Contact	2005-12-31
Missouri-American Water Co. Missouri-American Water Co. Water UtilitiesUtilities Provides water utility and related treatment services	President	2003-12-31
SJWNE LLC	Chairman	-
National Association of Water Cos. National Association of Water Cos. Water UtilitiesUtilities Provides water and wastewater services	President	-

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Training of Eric Thornburg

Experiences
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Linked companies

Private companies	14
American Water American Water Water UtilitiesUtilities Provides water, wastewater and other water resource management services	Utilities
Connecticut Water Service, Inc. Connecticut Water Service, Inc. Water UtilitiesUtilities Provides water supply services	Utilities
H2O America H2O America Water UtilitiesUtilities Operates as a holding company which provides water utility and real estate services	Utilities
Tetra Tech, Inc. Tetra Tech, Inc. Engineering & ConstructionIndustrial Services Provides consulting and engineering services	Industrial Services
Liberty Bank (Middletown, Connecticut) Liberty Bank (Middletown, Connecticut) Savings BanksFinance Operates as a state chartered savings bank	Finance
Missouri-American Water Co. Missouri-American Water Co. Water UtilitiesUtilities Provides water utility and related treatment services	Utilities
Indiana Wesleyan University Indiana Wesleyan University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Cornell University Cornell University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
San Jose Water Co. San Jose Water Co. Water UtilitiesUtilities Provides water utility services	Utilities
SJW Land Co. SJW Land Co. Real Estate DevelopmentFinance Owns and manages commercial and office buildings	Finance
National Association of Water Cos. National Association of Water Cos. Water UtilitiesUtilities Provides water and wastewater services	Utilities
Water Research Foundation Water Research Foundation Water Research Foundation is a non-profit company based in Denver, CO.
The Texas Water Co. The Texas Water Co. Water UtilitiesUtilities Provides water and wastewater services	Utilities
SJWNE LLC