Sierra Hydrographics

Auberry, CA

UEI
MD48ANHF57F8
CAGE
1M3K6
Primary NAICS
541990 All Other Professional, Scientific, and Technical Services
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Woman Owned Small Business
  • Woman Owned Business
  • Subchapter S Corporation
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
SAM.gov registration date
Physical address
42163 Bald Mountain Rd, Auberry, CA 93602, USA
Website
sierrahydrographics.com
Employees
1-10
Estimated annual revenue
$1M-$10M
Industry
  1. Industrials
  2. Commercial & Professional Services
  3. Professional Services
SIC code
49 Electric, Gas, & Sanitary Services
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Sierra Hydrographics's 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
IMT sscao skaggs bridge sensor repair Contract · 140R8125P0073 Bureau of Reclamation $10,225
Award task order with future options for streamflow measurements and maintenance. Contract · W9123825F0079 ENDIST Sacramento $201,701
Task order with options for streamflow measurements Contract · W9123825F0078 ENDIST Sacramento $1,767,961
SPK streamflow period 3 Contract · W9123824F0071 ENDIST Sacramento $263,111
Sccao weather station standardization Contract · 140R2024P0112 Bureau of Reclamation $33,943

About Sierra Hydrographics

Sierra Hydrographics is a woman-owned small business located in Auberry, California, specializing in water resource management services for federal agencies. Registered in SAM.gov since 2002 and structured as a Subchapter S Corporation, the company provides hydrographic, engineering, and environmental monitoring services primarily to federal water management organizations. The firm has established itself as a critical provider of technical services related to streamflow measurements, station maintenance, weather station monitoring, and related engineering support across California's water resource infrastructure.

The company has been awarded numerous federal contracts, predominantly from the U.S. Army Corps of Engineers (USACE) Engineering District Sacramento and the Bureau of Reclamation. These contracts have included firm-fixed price delivery orders and purchase orders ranging from sensor equipment repairs to streamflow measurements and storm damage repairs. The contract awards consistently focus on water-related services such as stream gage maintenance, weather station maintenance, hydrographic assessments, and engineering support for civil works projects. Many of these contracts have been set aside for woman-owned or small businesses, with values ranging from approximately $10,000 to over $3.6 million. Sierra Hydrographics has also performed work supporting flood control, navigation, and environmental protection initiatives across California's water management infrastructure.

Sierra Hydrographics holds a significant single-award Indefinite Delivery Indefinite Quantity (IDIQ) contract with USACE Sacramento, valued at $9.8 million and running through May 2028. This IDIQ contract is specifically designated for woman-owned small businesses and supports streamflow measurements, station maintenance, and station repair at water control data sites in the Sacramento and San Francisco Districts. Under this contract, USACE has issued multiple task orders covering a wide range of services, including streamflow seeding, emergency repairs, station rebuilding, and various measurement and maintenance activities. The IDIQ provides a flexible mechanism for the agency to procure critical water resource management services from Sierra Hydrographics across multiple project types and locations.

SBA capabilities narrative

SH is a full service hydrographic firm providing streamflow gaging, maintenance, and construction, as well as, data retrieval and record work up. SH also provides maintenance, service, and data retrieval and record work up of weather stations.

Quick answers

What is Sierra Hydrographics's UEI?

Sierra Hydrographics's Unique Entity ID (UEI) in SAM.gov is MD48ANHF57F8.

What is Sierra Hydrographics's CAGE code?

Sierra Hydrographics's CAGE code is 1M3K6.

What is Sierra Hydrographics's primary NAICS code?

Sierra Hydrographics's primary NAICS code is 541990 (All Other Professional, Scientific, and Technical Services).

Where is Sierra Hydrographics located?

Sierra Hydrographics's physical address in SAM.gov is 42163 Bald Mountain Rd, Auberry, CA 93602, USA.

Is Sierra Hydrographics registered in SAM.gov?

Yes. Sierra Hydrographics's SAM.gov registration is active through July 6, 2027.

What is Sierra Hydrographics's most recent federal award?

Sierra Hydrographics's most recent federal contract award is IMT sscao skaggs bridge sensor repair (140R8125P0073), from Bureau of Reclamation, on May 20, 2025.

On GovTribe

See Sierra Hydrographics's full federal record

  • Federal contract awards
  • IDV awards
  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
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