![Dennis Doll](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Dennis Doll
Chairman at
Tidewater Environmental Services, Inc.
Net worth: 4 M $ as of 30/06/2026
Profile
Dennis W.
Doll currently works at Tidewater Utilities, Inc., as Chairman from 2006, Tidewater Environmental Services, Inc., as Chairman from 2006, White Marsh Environmental Systems, as Chairman from 2006, Utility Service Affiliates, Inc., as Chairman from 2006, Utility Service Affiliates (Perth Amboy), Inc., as Chairman from 2006, Pinelands Water Co., as Chairman from 2006, Pinelands Wastewater Co., as Chairman from 2006, Twin Lakes Utilities, Inc., as Chairman, Raritan Bay Medical Center Perth Amboy Auxiliary, Inc., as Director, National Association of Water Cos., as Director from 2014, New Jersey Utilities Association, Inc., as Director, and Water Research Foundation, as Director.
Mr. Doll also formerly worked at Middlesex Water Co., as Chairman from 2024 to 2025, American Water Works Association, as Director, Court Appointed Special Advocates of New Jersey, as Treasurer & Director, Hammer Fiber Optics Holdings Corp., as Independent Non-Executive Director from 2016 to 2018, and E'town Corp., as Vice President & Controller.
Mr. Doll received his undergraduate degree from Upsala College.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 01/04/2025 | 72,489 ( 0.39% ) | 4 M $ | 30/06/2026 |
Dennis Doll active positions
| Companies | Position | Start |
|---|---|---|
Tidewater Utilities, Inc.
 Tidewater Utilities, Inc. Water UtilitiesUtilities Supplies water | Chairman | 01/01/2006 |
Tidewater Environmental Services, Inc.
 Tidewater Environmental Services, Inc. Environmental ServicesIndustrial Services Provides wastewater utility and management services | Chairman | 01/01/2006 |
White Marsh Environmental Systems | Chairman | 01/01/2006 |
Utility Service Affiliates (Perth Amboy), Inc. | Chairman | 01/01/2006 |
Pinelands Water Co.
 Pinelands Water Co. Environmental ServicesIndustrial Services Engages in collecting, treating and distributing water for domestic, commercial, municipal & fire protection purposes | Chairman | 01/01/2006 |
Pinelands Wastewater Co.
 Pinelands Wastewater Co. Environmental ServicesIndustrial Services Collects, treats and discharges wastewater from residential customers | Chairman | 01/01/2006 |
Utility Service Affiliates, Inc.
 Utility Service Affiliates, Inc. Electric UtilitiesUtilities Part of Middlesex Water Co., Utility Service Affiliates, Inc. is a water and wastewater utility that delivers safe and reliable water services, ensures regulatory compliance, enhances infrastructure resilience, and maintains strong governance to support sustainable growth and value for customers, investors, and communities. The company is based in Iselin, NJ. | Chairman | 01/01/2006 |
New Jersey Utilities Association, Inc.
 New Jersey Utilities Association, Inc. The New Jersey Utilities Association, Inc. is a company based in Trenton, NJ. | Director/Board Member | - |
National Association of Water Cos.
 National Association of Water Cos. Water UtilitiesUtilities Provides water and wastewater services | Director/Board Member | - |
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Former positions of Dennis Doll
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Training of Dennis Doll
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
39
1st degree connections
18
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 18 |
|---|---|
E'town Corp.
 E'town Corp. Water UtilitiesUtilities Provides water supply services | Utilities |
Middlesex Water Co.
 Middlesex Water Co. Water UtilitiesUtilities Owns and operates regulated water utility and wastewater systems | Utilities |
Raritan Bay Medical Center Perth Amboy Auxiliary, Inc.
 Raritan Bay Medical Center Perth Amboy Auxiliary, Inc. Managed Health CareHealth Services Provides medical, insurance and other related services | Health Services |
Tidewater Utilities, Inc.
Tidewater Utilities, Inc. Water UtilitiesUtilities Supplies water | Utilities |
National Association of Water Cos.
National Association of Water Cos. Water UtilitiesUtilities Provides water and wastewater services | Utilities |
New Jersey Utilities Association, Inc.
New Jersey Utilities Association, Inc. The New Jersey Utilities Association, Inc. is a company based in Trenton, NJ. | |
Tidewater Environmental Services, Inc.
Tidewater Environmental Services, Inc. Environmental ServicesIndustrial Services Provides wastewater utility and management services | Industrial Services |
White Marsh Environmental Systems | |
Utility Service Affiliates, Inc.
Utility Service Affiliates, Inc. Electric UtilitiesUtilities Part of Middlesex Water Co., Utility Service Affiliates, Inc. is a water and wastewater utility that delivers safe and reliable water services, ensures regulatory compliance, enhances infrastructure resilience, and maintains strong governance to support sustainable growth and value for customers, investors, and communities. The company is based in Iselin, NJ. | Utilities |
Utility Service Affiliates (Perth Amboy), Inc. | |
Pinelands Water Co.
Pinelands Water Co. Environmental ServicesIndustrial Services Engages in collecting, treating and distributing water for domestic, commercial, municipal & fire protection purposes | Industrial Services |
Pinelands Wastewater Co.
Pinelands Wastewater Co. Environmental ServicesIndustrial Services Collects, treats and discharges wastewater from residential customers | Industrial Services |
American Water Works Association
 American Water Works Association Miscellaneous Commercial ServicesCommercial Services Provides water solutions through online | Commercial Services |
Upsala College
 Upsala College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Water Research Foundation
 Water Research Foundation Water Research Foundation is a non-profit company based in Denver, CO. | |
Twin Lakes Utilities, Inc. | |
Court Appointed Special Advocates of New Jersey
 Court Appointed Special Advocates of New Jersey Court Appointed Special Advocates of New Jersey is a nonprofit organization that advocates for the best interests of children and youth in foster care across all 21 counties of New Jersey. The non-profit company is based in New Brunswick, NJ. The organization supports a statewide network of county-based programs that recruit, train, and supervise volunteers appointed by judges to represent abused, neglected, or abandoned children in family court. The organization is authorized by state law to provide one-on-one advocacy and monitoring for children in out-of-home placements and sets best practice standards for CASA programs statewide. It offers volunteer training, including online in-service programs on trauma, educational advocacy, and medical needs. The organization is governed by a board of trustees and engages in strategic planning, fundraising, and public outreach to support its mission. | |
Hammer Fiber Optics Holdings Corp.
 Hammer Fiber Optics Holdings Corp. Miscellaneous Commercial ServicesCommercial Services Offers mobile payment platform solutions | Commercial Services |
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