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Hydrologic and Hydraulic (H&H) Modeling & Analysis

Active

State & Local

Response Deadline11/03/2026, 09:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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This subcontract for the City of Seguin involves providing hydrologic and hydraulic modeling and analysis for regional drainage projects. The selected professional will support prime contractors by analyzing the Young Creek, Cottonmouth Creek, Geronimo Creek, and Long Branch-Mill Creek watersheds to determine flooding vulnerabilities and the impacts of future growth. All work must be performed using HEC-RAS, HEC-HMS, or XP-SWMM software in strict accordance with Texas Water Development Board regulations. A Professional Engineer license is required to execute this contract, which culminates in the delivery of detailed H&H analysis reports and model files. The solicitation was posted on September 23, 2026, with a response deadline of November 3, 2026. This opportunity falls under NAICS code 541330 for engineering services.

General Info

Professional Engineer providing H&H modeling for City of Seguin regional drainage projects.

Agency

Texas → City of SeguinView Agency

NAICS

541330 - Engineering ServicesView NAICS

Place of Performance

TX, USA

Set-Aside

NONE

Documents

This scope was carved out of AF-2027-02.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Regional Drainage Master Plan

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Timeline

PostedSep 23

subcontract

Response DeadlineNov 3

Submission deadline

Response Deadline

11/03/2026, 09:00:00 PM UTCin about 1 month

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Organization & Contact Information

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AgencyTexas → City of Seguin

ContactsNo contacts available

OfficeN/A

Organization / Agency

Texas → City of Seguin

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Office AddressN/A

ContactsNo contact information available

Full Description

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Performs hydrological and hydraulic modeling for prime contractors on City of Seguin regional drainage projects. Analyzes Young Creek, Cottonmouth Creek, Geronimo Creek, and Long Branch-Mill Creek watersheds to identify flooding vulnerabilities and model future growth impacts. Uses HEC-RAS, HEC-HMS, or XP-SWMM software per Texas Water Development Board (TWDB) regulations. Requires a Professional Engineer (PE) license. Delivers H&H analysis reports and model files.

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