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Brazos Valley Groundwater District warns curtailment could cap production if pumping reaches 90% of goal
Summary
Alan Day, general manager of the Brazos Valley Groundwater Conservation District, briefed the Bryan City Council on 2024 permitting, fee revenue, monitoring and the district's Desired Future Condition (DFC). Day said the district uses triggers at 65%, 80% and 90% of the DFC to guide responses and that 90% would trigger regulatory curtailment.
Alan Day, general manager of the Brazos Valley Groundwater Conservation District, told the Bryan City Council at a workshop that the district is monitoring water levels, permitting and transport applications and that the "desired future condition" (DFC) framework governs when the district will consider curtailment measures.
Day said 2024 permitting for metered wells was modest compared with a spike in 2023 driven by rule changes; meter-required permits in 2024 accounted for 2,760 acre-feet across categories, compared with much larger totals in earlier years when a rule change produced a surge of Simsboro permits. He reported the district collected just over $830,000 in fees in 2024 and houses a monitoring network of about 222 wells in all aquifers, with roughly 542 measurements taken in the past year.
On planning, Day explained the DFC process used by Groundwater Management Area (GMA) partners. For the Simsboro Aquifer the district's regulatory planning target is a 262‑foot artesian-head reduction by 2070. Day said the district has used about 66 feet of that total to date. The district treats three trigger bands: at 65% of the DFC the district convenes stakeholders for planning; at 80% it pursues additional management strategies; and at 90% the district's rules call for a curtailment that caps production based on measured historical production. Day said, "When we get to 90% ... it'll be an all-halt curtailment," meaning the district would limit production to avoid exceeding the regulatory cap.
Councilmembers asked how export or transport permits (moving groundwater out of the district) affect the DFC timetable. Day said exporting water or additional nearby large projects shortens the time to reach the DFC and that production, whether used inside or outside the district, contributes to the same decline in artesian head. He noted projects such as Vista Ridge have already contributed to regional declines and that transport permit applications are under review and litigation in some cases.
Day described permitting categories and protections for historic-use permits (permits based on pre-district historic production), explained the 2023 rule change that altered spacing for Simsboro wells and answered questions about curtailment mechanics, saying curtailment calculations are based on actual production and that the district's rules use the highest historical production as the baseline for allocations under curtailment.
Council members raised concerns about incentives: some noted landowners could maximize production ahead of curtailment to preserve future allocations. Day said the rules and tools (spacing, management zones, fee structures and monitoring) are the district's primary toolbox but acknowledged legal limits: the district must issue permits consistent with state law and cannot categorically prohibit export if statutory criteria are met.
The presentation included questions about model accuracy, regional cooperation in GMAs and whether state action is needed to address perceived inequities. Day said local measurement and modeling have improved and new monitoring data have revealed previously unknown features (including an unmapped fault) that aid local model calibration. He urged continued local engagement at the GMA level to influence DFC negotiations.
No council action was recorded; the session was informational and included extended Q&A between council and the district general manager.
