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Comal County, before your second cup.

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A 12-Inch Water Line Is Under Construction on Dietz Elkhorn

A Sept. 15 committee review will track newly started construction, a tank nearing completion and the city’s impact-fee accounts.

A 12-Inch Water Line Is Under Construction on Dietz Elkhorn — Comal.News evidence graphic
Comal.News evidence graphic generated from the cited source record; not a photograph of the reported event.

Fair Oaks Ranch reports that Dietz Elkhorn water-line construction started in September and expects the Plant 5 storage tank project to be completed Sept. 18.

The packet lists $21,013 for a typical 3/4-inch water meter and $9,943 for one wastewater living-unit equivalent; the committee is scheduled to consider recommendations for its semiannual report to City Council.

The same packet documents $5,064,992 in water and wastewater impact fees collected and $9,091,732 in eligible costs already incurred. The $4,026,740 difference represents documented spending above collections, not a newly proposed charge.

Where the accounts stand

The water account shows $3,287,996 collected and $6,245,168 in documented eligible costs. Wastewater collections total $1,776,996, compared with $2,846,564 in eligible costs. The packet says eligible costs are applied to collections using the first-in, first-out method for the statutory expenditure period.

Storage, pipelines and sewer work

The largest project in the update is a proposed 500,000-gallon elevated storage tank with an estimated cost of $11.71 million. The city says land acquisition, annexation and zoning are complete, with the redesign expected to reach 100% in October. The packet describes the tank as a response to peak demand, fire protection and reserve-storage needs.

A GBRA water-main extension carries a $750,000 Fair Oaks Ranch share. The packet says construction started in July and is expected to finish in early 2027. It would extend the regional authority’s main to the city’s elevated-tank and Boerne Pump Station site, enabling future delivery to northeastern Fair Oaks Ranch.

The Dietz Elkhorn line carries a $1.5 million city share and is planned as a 12-inch main from the Elmo Davis water plant to the city’s eastern side. Fair Oaks Ranch and the developer are splitting construction costs 75% and 25%, respectively, under the update.

A developer-funded upgrade would replace the Cojak Circle manhole and 1,200 feet of undersized sewer line. The packet says the Corley Tract developer must complete that work before certificates of occupancy may be issued for any units.

The city also lists a $925,284 proposal to install a sewer line and decommission the Falls Lift Station. Its first wastewater-treatment expansion phase is estimated at $7.01 million; construction started in April and is expected to finish in spring 2027.

Growth and future supply

As of July 31, the land-use report counted 3,328 water connections and 2,038 wastewater connections. The city’s 2035 projections are 3,968 and 2,402, respectively. Post Oak, Oak Bend and the Corley Tract account for hundreds of prospective connections in the development list.

At its March meeting, the committee was told the current impact-fee rates were in line with growth projections and planned projects, and staff promised a September presentation on supply and demand.

That presentation puts current supply at 2,600 acre-feet and projected peak buildout demand at 2,805 acre-feet. It anticipates about 400 additional acre-feet from GBRA around 2038 and projects that allocation would put supply above the modeled minimum. Both the allocation and timetable remain projections.

Earlier Comal.News coverage tracked the city’s Dietz Elkhorn contract and elevated-tank grant application. The new packet adds that the pipeline contract was awarded in July and construction began in September, while the elevated-tank redesign continues.

What happens next

The committee is scheduled to meet at 9 a.m. Tuesday, Sept. 15, in the Public Safety Training Room at 7286 Dietz Elkhorn Road; residents may sign the attendance roster to speak for up to five minutes.

Readers can inspect the full agenda packet for the account tables, project sheets, maps and supply presentation. The committee’s recommendation and subsequent minutes will establish what advances to City Council and whether members request changes to a project’s scope, cost or schedule.

From the source record

Agenda packetFair Oaks Ranch Capital Improvements Advisory Committee — Sept. 15, 2026
Dietz Elkhorn water-line construction started in September, and final completion of the Plant 5 tank is anticipated by Sept. 18.
City of Fair Oaks Ranch
The committee packet contains impact-fee accounts, project updates, growth figures and water-supply projections.

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