As-Needed RiverEcosytm Service
Applied River Sciences · PUC Public Utilities Commsn
San Francisco agreed $2.3M with Applied River Sciences for contract 1000035492 (PUC Public Utilities Commsn); $52,570 has been paid on it so far. Source: SF Controller supplier contracts (open data), data as of 13 July 2026.
Register title: “PUC As-Needed RiverEcosytm Srv”
Signed by Public Utilities Commsn
These bars total $269,485; the figure above is $52,570. The first comes from the City’s payment ledger, the second from the contract register’s own paid column. They match on ordinary contracts and drift apart on multi-phase projects, where the work runs through several purchase orders and the ledger counts all of them.
| Supplier | Role | Attached $ |
|---|---|---|
| Applied River Sciences | Prime | — |
| STILLWATER SCIENCES | Subcontractor | $920,000 |
| AVILA & ASSOC CONSULTING ENGINEERS INCLBE | Subcontractor | $380,000 |
| COAST RIDGE ECOLOGY LLCLBE | Subcontractor | $180,000 |
| MERIDIAN SURVEYING ENGINEERING INCLBE | Subcontractor | $92,000 |
| WATER RESOURCES ENG INCLBE | Subcontractor | $88,000 |
| LANG RAILSBACK & ASSOCIATES | Subcontractor | $40,000 |
| MACRIS, NATALIELBE | Subcontractor | $40,000 |
Attached amounts for subcontractors and JV members live inside the prime's envelope — they are context, never additive with the contract's own amounts.
- Dataset
- Supplier Contracts
- This contract in the source
- Raw rows (JSON, data.sfgov.org)