City of Midland Wins TCEQ Environmental Award for Wastewater Upgrade

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Midland’s unique private partnership with Pioneer Natural Resources to upgrade the city’s wastewater treatment plant earned it the Governor’s Environmental Excellence Award for Water Conservation from the Texas Commission on Water Quality. the environment.

In its Request for Quotation, the City of Midland described the release of a Request for Proposals for the upgrade of the existing sewage treatment plant in March 2014, specifically related to the use of water for the oil and gas industry. Pioneer Natural Resources was chosen to supply the improvements and use the treated wastewater.


Under a contract signed by city officials and Pioneer, Pioneer invested $125 million for the upgrades. The total cost was $133.5 million, with the city contributing $4.25 million in funds and $9.25 million in water credits. After approval by the Texas Senate, received exclusive water reuse rights. The project was completed in March 2021.

Depending on demand, the entire facility can currently process for reuse up to 15 million gallons per day or 357,142 barrels per day for oil and gas industry reuse. Pioneer currently uses the majority of the plant’s flow, approximately 10 million gallons per day, and expects continued use, allowing the company to stop sourcing groundwater for operations and conserve fresh water – saving approximately 30 acre-feet of water per day – while allowing the city to make necessary infrastructure upgrades.

With the upgrades, Midland has moved from strictly mechanical processing to an organic system. The partnership has enabled the city to stop spreading sludge and effluent, as it had done for 50 years, thus improving groundwater quality.

In its application, the city said it believes the public-private partnership between Pioneer serves as a model of how private industry can help fund needed upgrades to aging infrastructure.

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