Two Halloweens on Onion Creek

I.

The morning of October 31, 2013, was the morning Jo Garcia, who had lived in the Onion Creek neighborhood of southeast Austin since 1994, found herself standing in the rising water of her own kitchen, holding her grandchild, watching a length of yellow rope float toward her on the current and thinking, in the small interior space such moments seem to require, that if they were going to go, they would go together. The rope was attached to a Travis County constable. By the time it reached her hand, the gauge at Onion Creek at U.S. 183 had risen 11 feet in 15 minutes, the creek had crested above 40 feet, and the phones at small operators like Resolute Water Damage Austin, one of the local outfits that does water damage restoration in Austin, TX from a small office on Jacob Fontaine Lane in the city's Highland district, had begun ringing four-deep, with calls from streets in five subdivisions whose names would come, over the following decade, to vanish from the city map.

By Saturday afternoon five Austinites were dead, more than 500 homes were damaged, and the watershed gauges that had been operational at the start of the storm — two of them, on Onion Creek alone — had failed at the peak. The Austin Chronicle reported that following Thursday that the discharge through the U.S. 183 gauge at 9:45 a.m. had reached 134,000 cubic feet per second, a rate the U.S. Army Corps of Engineers later confirmed was 34 percent greater than the average flow of Niagara Falls. The piece quoted a USGS hydrologist named Gary Firda, in the Albany office, who provided the comparison.

Garcia survived. Her house did not.

II.

The next morning, in the small dispatch room above the office on Jacob Fontaine Lane and at half a dozen offices like it across the metro, what the trade calls Category 3 work began. The Institute of Inspection, Cleaning and Restoration Certification, an industry-standards body whose ANSI document — S500-2021 — has the legal status of an American National Standard, sorts water damage into three categories. Category 1 is a failed dishwasher hose. Category 2 is the gray water from a laundry. Category 3 is what the standard calls grossly contaminated water — anything that has come up from a storm drain, anything that has crossed the threshold from outside, anything in which the technician must assume pathogenic loads. Halloween 2013 floodwater was, by the standard's plain text, Category 3 from the moment it left the creek bed.

What this means in the practice of restoring a single house is that the carpets do not come back. The drywall to thirty inches above the high-water line does not come back. The porous insulation behind the drywall does not come back. The MDF baseboards do not come back. Anything cellulose, anything bonded with paper, anything chipboard or particle board, has to be cut out and bagged. The technicians who do this work in Austin are trained against the S500 standard and certified through the IICRC; the senior credential, the Master Water Restorer designation, requires several years of field experience and three separate certifications in water restoration, structural drying, and applied microbial remediation. The word in the dispatch room, the morning after, was that the workload of the next four to six weeks was already booked. The smallest jobs were three days. The largest were six months.

Resolute Water Damage Austin, founded in the post-2013 environment by a small group of plumbers and remediation techs who had been on the long Halloween dispatch list themselves, is one of the residential operators that has stayed in the field since. Like its peers in the metro — there are about a dozen IICRC-certified residential outfits running out of Austin, Round Rock, Cedar Park, Pflugerville, Hutto, Georgetown, Leander, Kyle, Buda, San Marcos, Lakeway, and Bee Cave — its phone ledger spikes hardest in the autumn weeks. The company carries WRT and ASD certifications under the IICRC, holds Texas TDLR mold-remediation licensure, and bills carriers directly under the prompt-payment provisions of Texas Insurance Code Chapter 542. It is, in the trade vocabulary, a Certified Firm. It is, in the vocabulary of the homeowner who has just come back into a house and noticed that the kitchen smells like a creek, the people who pick up the phone.

III.

It happened again on October 30, 2015. The watershed gauges had been replaced. The drainage easements had been studied. The 2013 federal Hazard Mitigation Grant Program disbursements had begun. None of it changed the geometry of a creek bed that, in a four-hour rain band, runs nearly a foot of water through a constrained karst valley and into a 1970s subdivision built, as a later Atlas Obscura piece would document, on a floodplain that had been mismapped at the time of platting. Onion Creek crested that night at 39.12 feet, the second-highest reading on the gauge's record. Three more people died. About 400 more homes were damaged. Austin Fire logged more than 400 calls and at least 35 documented water rescues.

What the second flood did, locally, was settle the question. The City of Austin and Travis County had been buying out homes along Onion Creek since 1999, slowly, in tranches. After 2015, the buyout went from a long-running policy to a project. A FEMA case study published in the years that followed documented 850-plus homes acquired and demolished, a $7.8 million federal grant from the post-Hurricane Rita period in 2006 that had purchased the first 114 properties, and an additional $8.8 million in FEMA spending toward the lower Onion Creek effort overall. The total local-and-federal commitment crossed $100 million. The Austin City Council voted in March 2015 to open buyouts on an additional 232 houses; the Yarrabee Bend section, the worst-hit subarea, was acquired and demolished in waves through 2017 and 2018. In 2019 the cleared area, all 290 acres of it, opened as Onion Creek Metropolitan Park.

Garcia walks there now. She knows the old grid. The pavement of Onion Creek Drive, where the houses used to be, runs through what is, today, a mowed meadow. The new grass cover, where it is mature, is mowed to the eight-inch standard for Texas Parks. The mailbox post on her old corner is gone. The water-meter access plate is still there, set into the curb at the level the old slab used to be.

IV.

The insurance arithmetic of a flood is not the insurance arithmetic of a slab leak. The standard HO-3 homeowners policy — the one most Austin homeowners buy — covers sudden interior water discharge, which means a burst pipe, a failed dishwasher line, a backed-up washing-machine drain. It does not cover surface water from a creek. The federal program that does cover surface water, the National Flood Insurance Program, costs an average of several hundred dollars a year in Travis County and is mandatory only for federally-financed mortgages within the FEMA Special Flood Hazard Area. Most of the homes that flooded in 2013 and 2015 were either outside the SFHA on the maps that existed at the time or had been mortgaged free and clear, which lifted the federal requirement.

The Insurance Information Institute, an industry body, reports that water damage and freezing claims accounted for about 22.6 percent of homeowners insurance losses in 2023, with an average severity of $15,400 per claim, the second-largest loss category after wind and hail. None of those numbers represent flood claims. Flood claims are a separate book, paid out of the NFIP. FEMA's OpenFEMA Redacted Claims dataset lists 3,682 NFIP claims in Travis County since 1978, with $94.1 million paid out and an average payout of $33,417. The figure that does not appear in any single dataset is the amount of money Austin homeowners have spent out of pocket, on Cat 3 remediation and rebuild, after a creek that rose 10 feet in 15 minutes was found to be outside their carrier's definition of "damage."

In the trade office on Jacob Fontaine Lane, the conversation that defines the post-flood week is not the FEMA-claim conversation. It is the homeowner-by-homeowner conversation about what the carrier will and will not cover, what NFIP will and will not cover, what the policy form's mold cap is, and what the homeowner will end up paying for, regardless. The job runs about six weeks for a typical 1,800-square-foot single-story house. The cost is variable. The IICRC does not publish averages.

V.

In its 2024 annual report, the City of Austin's Watershed Protection Department documented that the Waller Creek tunnel, the city's downtown flood-diversion infrastructure, had diverted 29 separate flood events that reporting year and removed 1,478 tons of debris from its catchment grates — increases of more than 50 percent over the prior year. The department had cleared 12.4 miles of creeks, channels, and ditches. It had stabilized 2,481 feet of eroding stream bank. The report was signed by Jorge Morales, P.E., CFM, the department director, who had also been the official quoted in the FOX 7 retrospective on the 2015 anniversary. "The 2015 Halloween floods were a critical moment as we witnessed how destructive flooding can be," Morales said in that piece. He was talking about the moment the policy moved.

Garcia walks the meadow at Yarrabee Bend on Sunday mornings. There are markers at the trailheads. There are no markers at the old front doors. She has, in a kitchen drawer in the new house, three folders of paper from the years before: the carrier letters, the FEMA buyout offer, the deed transfer. The folder on top is the IICRC moisture log from the first morning the technician walked into the kitchen. The reading at the dishwasher, in pencil, is 24.6 grains per pound at 6:11 a.m. on November 1, 2013.