• No Wastewater in Onion Creek

    Protect Our Creeks and Wells


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  • The Issue

    (Onion Creek, less than 2 miles from proposed discharge point)

    The rapid development of Dripping Springs requires proper sewage facilities. The City of Dripping Springs wants to expand its wastewater service, and has applied to the Texas Commission on Environmental Quality (TCEQ) for a permit to discharge wastewater into Onion Creek – at a rate of 995,000 gallons per day.

    Onion Creek has pristine and clear flowing water that currently supports swimming, fishing, and provides habitat for lots of wildlife. Wastewater discharge contains nitrogen, phosphorous, and contaminants of emerging concern that will change the current water chemistry of the creek. Scientific modeling shows that the current proposed discharge will cause algae growth in Onion Creek, resulting in significant degradation of the creek as a water body that supports recreation and wildlife.

    This is why so many governments and organizations, along with Protect Our Water are opposing the proposed discharge.

  • Wells and Groundwater

    Recent scientific studies show strong evidence that Onion Creek immediately downstream of the proposed wastewater discharge point is recharging the Trinity Aquifer, threatening to adversely affect public and private drinking water supplies, including the main wells of the Dripping Springs Water Supply Corp.

    This is why the Hays Trinity Groundwater Conservation District and the Barton Springs/Edwards Aquifer Conservation District are opposing the proposed discharge.

    Additionally, scientific modeling has shown that the discharge into Onion Creek could adversely affect the Barton Springs/Edwards Aquifer. This is why the City of Austin and the Barton Springs/Edwards Aquifer Conservation District are opposing the proposed discharge


    We are requesting that the City of Dripping Springs delay any further action on its proposed discharge while the groundwater science is completed and the City can prove that drinking water wells, including the water supply for the Dripping Springs schools, will not be adversely affected.

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  • Our Mission

    PROTECT OUR WATER (POW)/NO DRIPPING SEWAGE IN OUR CREEKS OR WELLS is against any discharges into Onion Creek and its tributaries, period.

    Our mission is to protect the existing pristine nature of surface water in Onion Creek and its tributaries – and the ground water recharged from these bodies from deterioration due to the release of treated sewage and other contaminants into its waters.

    This is only way to ensure that Onion Creek Watershed residents can continue to enjoy access to clean ground and surface water for their consumption, recreation and aesthetic enjoyment.

    POW will be monitoring Onion Creek’s water quality (near and long-term) and oppose any polluting into Onion Creek. POW will be prepared to enforce state and federal environmental laws and tort and nuisance law to keep Onion Creek and its tributaries in pristine condition for our community.


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