Phil Haag concentrates his practice on a wide range of water and wastewater utility service  and entitlement matters. He represents various utilities (water districts, water supply corporations and the like) that provide water and wastewater service and developers seeking water and wastewater service from utilities. Phil also represents commercial, industrial and municipal clients before the Texas Commission on Environmental Quality (TCEQ) in environmental permitting and enforcement actions.

Phil handles all variants of water and wastewater utility matters including surface water and groundwater permitting, water rate proceedings, water supply contracts and the acquisition of water and wastewater service for development.

Phil is also a trained mediator who uses those skills on a routine basis. Phil has been listed in Best Lawyers©, Environmental Law – Water Rights since 2006.

Water Law

In matters regarding water districts and water supply corporations, Phil’s experience includes:

  • Representing numerous water districts on a general or special counsel basis.
  • Representing numerous water supply corporations on a general or special counsel basis.
  • Negotiating agreements between districts and cities, and between water supply corporations and cities.
  • Handling Open Meetings and Open Records matters.

In water supply matters, Phil’s experience includes:

  • Helping secure water rights permits for two reservoirs in East Texas.
  • Negotiating numerous contracts for wholesale water service for various Central Texas cities and other water users.
  • Helping secure groundwater permits from groundwater conservation districts.
  • Successfully challenging excessive water rates from large wholesale suppliers.

In matters regarding Certificates of Convenience and Necessity (CCN), Phil’s experience includes:

  • Representing a Central Texas city in resolving a longstanding water service area dispute with a water supply corporation.
  • Successfully negotiating a water service area agreement on behalf of a water supply corporation and nearby city.
  • Completing numerous service area transfers to release developers from undesired service areas.
  • Helping secure and transfer many CCNs for water and wastewater suppliers.


Phil has represented numerous clients in applying for and obtaining waste discharge permits for municipal waste treatment plants. He has represented a client in a highly contested hearing to obtain a controversial waste recycling permit. Phil has also successfully represented parties in various other environmental permits.

Real Estate

Phil has represented real estate development companies before numerous Central Texas cities in negotiating development agreements, as well as securing water and wastewater service. In addition, Phil regularly represents development interests in their efforts to obtain water and wastewater service from various utilities, including water districts and water supply corporations.

Best Lawyers Award Badge
  • Listed in Best Lawyers©, Environmental Law since 2006
  • Speaker, A Report on the 85th Texas Legislature by a Panel Representing the AWBD Legislative Planning Committee, 2017 Annual Conference, Association of Water Board Directors - Texas, Port Aransas, Texas
    June 23, 2017

  • Speaker, The Scarlet Letter: Annexation - What’s a District to do?, 2017 CASE Conference, Capital Area Suburban Exchange, South Padre, Texas
    June 16, 2017

  • Speaker and Co-Author, Issues Related to Water and Sewer Utility Regulation, Half Moon Seminar: Water Laws & Regulations, San Antonio, Texas
    February 24, 2016

  • State Bar of Texas: Environmental & Natural Resources Law Section (past Chair); Alternative Dispute Resolution Section
  • Austin Bar Association: Environmental Section; Real Estate Section
  • Real Estate Council of Austin
  • Association of Water Board Directors (Legislative Committee; Advisory Council)
  • Texas Water Conservation Association
  • Texas Rural Water Association