Statewide Compliance and Infrastructure

• System Scale: Texas operates thousands of public water systems serving over 31.7 million residents (as of July 2025), making it the largest water infrastructure network in the United States. The state added 391,243 residents in 2025 — the most of any state — adding further pressure to an already strained system. For boil water alerts affecting Texas communities, see our live US boil water notices tracker.
• Historic Infrastructure Investment: Texas voters approved Proposition 4 in November 2025 with 70% support, dedicating up to $1 billion annually from 2027 to 2047 to the Texas Water Fund — a $20 billion commitment over 20 years. Funding covers new water supply development, infrastructure repair, and flood mitigation. However, the money is unlikely to reach projects before 2031 given the multi-step approval process, and experts estimate Texas needs nearly $154 billion over 50 years.
• PFAS Compliance Deadline: Around 50 Texas public water systems have reported exceeding EPA PFAS limits under UCMR 5 monitoring. Systems must complete initial monitoring by April 2027 and report results to consumers. The EPA extended the full compliance deadline for PFOA/PFOS (4 ppt MCL) from 2029 to 2031. MCLs for PFHxS, PFNA, HFPO-DA, and PFBS were separately withdrawn in May 2025, though a federal court denied EPA’s vacatur request in January 2026. Learn more about water filter solutions for PFAS removal.

Regional Water Source Challenges

• Trinity River Basin: Supplies the Dallas-Fort Worth metroplex with documented PFAS contamination. Fort Worth, Arlington, Dallas, Grapevine, Haltom City, Duncanville, and multiple other DFW-area utilities are among those exceeding EPA PFAS limits. See individual pages for Fort Worth, Dallas, and Arlington water quality.
• Johnson County Disaster: In February 2025, Johnson County declared a local disaster after PFAS testing found contamination at levels hundreds of times above EPA limits in agricultural land, groundwater, and animal tissue — with reported deaths of fish and cattle. Contamination was linked to biosolids from Fort Worth’s wastewater treatment plant being spread as agricultural fertiliser. Five state bills seeking to address PFAS in fertilisers and firefighting foam all failed during the 2025 legislative session.
• Gulf Coast Aquifer: Critical water source for the Houston region, facing saltwater intrusion concerns and mandatory pumping reductions to prevent land subsidence. See the Houston water quality report for details on local conditions.
• Rio Grande Valley: International water-sharing challenges with Mexico combined with severe drought conditions have reduced reservoir levels to critical lows, impacting agricultural and municipal water supplies. See the El Paso and Laredo water quality pages for local data.

Drought and Supply Security

• Supply Gap: The Texas State Water Plan estimates that water available during a drought could drop by 18% by 2050, while demand rises by 9%. If a severe drought struck in 2030 without new water strategies in place, Texas could face a shortage of 4.7 million acre-feet — more than 20% of projected demand.
• Water Loss Crisis: Texas loses an estimated 88 billion gallons annually through aging leaking pipes across its most populous cities — equivalent to enough water to supply hundreds of thousands of homes for a year. This infrastructure problem was cited by Governor Abbott as a key justification for the $20 billion water investment.
• Rule of Capture Risk: Texas’s common-law Rule of Capture allows landowners to pump as much groundwater as they can from beneath their property, raising concerns about unregulated depletion of major aquifers serving rural and urban communities alike. Reforming this doctrine remains a legislative challenge.

Population Growth and Demand

• Rapid Expansion: Texas reached 31.7 million residents as of July 2025 after adding 391,243 people that year — the largest absolute gain of any US state for the third consecutive year. Since 2020, Texas has added approximately 2.6 million residents.
• Slower Growth Ahead: Immigration-driven growth slowed sharply in 2025 due to federal immigration policy changes. State demographers note this may give local officials some breathing room to catch up on infrastructure needs — but long-term projections still point to a population of roughly 42 million by 2060.
• Urban Growth Centres: Harris County (Houston, ~4.9 million), Tarrant County (Fort Worth/Arlington), Collin County, and Montgomery County led growth in 2024. Major metropolitan areas face the greatest water stress as rapid development outpaces infrastructure capacity.

Looking Forward: 2026–2031

Texas stands at a critical juncture. The $20 billion Texas Water Fund — approved by voters in November 2025 — represents the largest water investment in state history, yet advocates warn it covers only a fraction of the estimated $154 billion in infrastructure needs over 50 years. PFAS compliance monitoring must be in place by April 2027, with full compliance on PFOA/PFOS now required by 2031. Meanwhile, the failure of five PFAS bills in the 2025 legislative session leaves communities without added state-level protections, making individual filtration and utility-level treatment upgrades the primary near-term defence. Track ongoing water alerts and boil water notices across Texas on our water alert news page.