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Public Water System Monitoring Plans

How to comply with requirements for monitoring plans for public water systems in Texas.

As per 30 TAC 290.121, all public water systems are required to develop a monitoring plan, including all community, transient and non-transient water systems. The plans are a system-specific document which demonstrates that the water quality monitoring performed by the system is representative of the water distributed to consumers and is consistent with regulatory requirements..

Systems that treat surface water or groundwater under the direct influence of surface water (GUI) are required to send a copy of their monitoring plan to the TCEQ for review and approval. A copy of the plan should be kept at each treatment plant, as well as a central location.

Systems that use groundwater or purchased water are not required to send a copy of the monitoring plan to TCEQ, but must keep the plan on file for review by the TCEQ inspector during routine comprehensive compliance investigations (sanitary survey), or must provide a copy of the plan to TCEQ upon request. A copy of the plan should be kept at each treatment plant, as well as a central location.

Submittal to TCEQ

Submit one (1) copy of the complete Monitoring Plan to:

Texas Commission on Environmental Quality
Attn: Monitoring Plan Coordinator
Public Drinking Water Section, Mail Code 155
P.O. Box 13087
Austin, TX 78711-3087
Fax: (512) 239-6050

Revisions

Water systems are required to submit any changes related to the Monitoring Plan to the TCEQ within thirty (30) calendar days following the effective date of the change. Revision may be submitted separately, if only one part of the plan is affected by the change.

A detailed guidance is available to help you develop your monitoring plan.