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Houston Geological Society Bulletin

Abstract


Houston Geological Society Bulletin, Volume 47, No. 1, September 2004. Pages 28 and 31.

Abstract: WHAT IS MSD?

By

Richard Bost
CGWP Principal, Environmental Resources Management (ERM)

There are many areas in the state that have widespread, contaminated, shallow ground water. This ground water is not being used as potable water by anyone and the costs of cleaning it to unnecessarily high standards often exceeds the cost of the land. Consequently, the Texas Legislature passed House Bill 3152 in order to establish certain areas as Municipal Setting Designations (MSDs).

Over the years, the ground water at and downgradient of numerous properties in Texas has been affected by releases of hazardous substances. Expensive investigations and cleanup are not always effective. In nearly all cases, affected shallow ground water does not pose health risks unless ground water is used for potable purposes. House Bill 3152 allows the establishment of Municipal Setting Designations (MSDs), which excuses parties from investigation and cleanup requirements for shallow ground water plumes in urban areas where alternate water sources are available.

The Bill was endorsed by the cities of Dallas, Houston and San Antonio, as well as the Texas Municipal League. It was supported by the Texas Commission on Environmental Quality (TCEQ), and received EPA's approval. House Bill 3152 will promote business, reduce TCEQ's site backlog and will promote economic development.

Responsible parties in an area with a MSD certificate will be able to amend their ground water remediation efforts as follows. Proposed MSDs must meet the following requirements to receive a MSD certificate from the Texas Commission on Environmental Quality (TCEQ):

  • The proposed MSD must be within the limits or jurisdiction of a city with a population of at least 20,000.
  • A public drinking water supply must be available to the proposed MSD and the property within one-Previous HithalfNext Hit mile of the MSD.
  • A notice explaining the proposed MSD must be sent to each city within one-Previous HithalfNext Hit mile, each private registered well owner within five miles, and each public utility operating a ground water supply well within five miles of the MSD before the application is submitted.
  • Each city and public utility the proposed MSD affects must support the MSD and pass enforceable ordinances that prohibit the use of the designated ground water in the MSD.

For a fee of $1000 anyone can submit an application for a MSD to the executive director of the TCEQ. Once all of the requirements have been met and the executive director determines that the proposed MSD will not negatively affect a regional water supply now or in the future, the TCEQ may issue a MSD certificate.

The TCEQ may require the applicant to:

  • Determine whether or not humans or ecological resources are negatively impacted in areas where there are no potable water wells within one-Previous HithalfNext Hit mile of the MSD. No further investigation or corrective action will be required if the investigation reveals no adverse affects.
  • Take corrective action in situations where contact with ground water could cause harm.
  • If potable wells are located within one-Previous HithalfNext Hit mile of the MSD, determine if human health and ecological standards are exceeded within the area one Previous HithalfNext Hit mile from the MSD. No further investigation or corrective action will be required if the standards are not exceeded.
  • Corrective action must be taken if the standards are exceeded within the one-Previous HithalfNext Hit mile area.
  • If ground water remediation is conducted within the one-Previous HithalfTop mile area to meet the requirements of the MSD, a reliable alternative water supply must be provided to the owners of the impacted potable wells (given

    End_Page 28---------------

    their permission) during the time that the standards are exceeded, and the MSD must be expanded to include the properties with the impacted potable water wells.

While obtaining a MSD certificate may reduce the amount of ground water remediation required for a certain area, the certificate does not prevent others from claiming personal injury or property damage caused by ground water contamination.

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