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Company · Infrastructure & real assets
Carollo Engineers
Environmental engineering focused on planning, design and construction of water, wastewater and water-reuse facilities.
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- Sector
- Water & Wastewater
- Location
- Walnut Creek, California
- Stage / status
- Engineering & Design
- Category
- Engineering & Design
- Services
- Environmental engineering for water resources, drinking water, wastewater, water reuse and related infrastructure
- Markets
- Water and wastewater infrastructure
- Published sector focus
- Engineering & Design; Water & Wastewater
Sources & record history
Published Oct 1, 2026 · Record edited Oct 1, 2026 · No source-review date recorded.
Organization website ↗Public organization website
Documented relationships
Editor-sourced links and explicit references in published Infraday records. A named relationship is not a predictive financing match.
No sourced entity relationships have been entered for this record yet.
Explore the same sector
Shared sector only; these records do not establish a commercial relationship or financing fit.
| Entity / development | Sector & location | Status / value | Record date |
|---|---|---|---|
| ProjectEleanor Alley Water Main ReplacementReplacement of 580 feet of aging water pipe with 2-inch PVC main on Eleanor Alley. | Water & WastewaterEleanor Alley, Eleanor, WV | Construction$100,000 announced project investment; not verified spending or contract award | Source review: 2026-10-06 |
| ProjectSan Jose Aeration Basin Modifications Phase 1Rehabilitation and process changes to secondary treatment aeration basins, including infrastructure for nitrogen removal to meet tighter nutrient discharge limits. | Water & WastewaterSan Jose, California | Planning | Source review: 2026-10-04 |
| ProjectMary's Creek Water Reclamation FacilityNew wastewater reclamation facility for western Fort Worth, including lift stations, force mains and reclaimed water infrastructure. The city lists… | Water & WastewaterFort Worth, Texas | Design | Source review: 2026-10-04 |
| ProjectWalnut Creek Wastewater Treatment Plant ExpansionExpansion and modernization of Walnut Creek wastewater treatment, adding 25 million gallons per day of capacity and upgrading treatment processes.… | Water & WastewaterAustin, Texas | Construction | Source review: 2026-10-04 |
| ProjectHouston East Water Purification Plant Enhancement Project 1Engineering design for the first enhancement project at the East Water Purification Plant to expand and modernize drinking-water treatment capacity. | Water & WastewaterHouston, Texas | Design | Source review: 2026-10-03 |