South San Joaquin Irrigation District
81 public works projects registered with the California Department of Industrial Relations, 2015–2026 · Manteca, San Joaquin County. Reported contract value: $89,130,562.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 6 | $455,639 |
| 2025 | 12 | $84,776,581 |
| 2024 | 7 | $3,898,341 |
| 2023 | 4 | — |
| 2022 | 5 | — |
| 2021 | 4 | — |
| 2020 | 7 | — |
| 2019 | 4 | — |
| 2018 | 5 | — |
| 2017 | 5 | — |
| 2016 | 6 | — |
| 2015 | 15 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Other · 32
- Water · 10
- Paving & streets · 7
- Painting & flooring · 5
- Parks, landscape & fields · 5
- Concrete & masonry · 4
- Roofing · 4
- Buildings & facilities · 3
- Solar, EV & energy · 3
- HVAC & mechanical · 2
- Electrical, low voltage & AV · 2
- Demolition & site work · 1
Inferred by Atriam from each project's name and description, not reported by the agency.
Contractors it awards most
| Prime contractor | Projects | Reported contract value |
|---|---|---|
| D S S COMPANY DBA KNIFE RIVER CONSTRUCTION | 3 | $1,775,783 |
| INDUSTRIAL ELECTRICAL CO | 2 | $804,339 |
| PROVOST & PRITCHARD ENGINEERING GROUP, INC | 1 | $6,926,000 |
| NULIFE POWER ELECTRIC SERVICES LLC | 1 | $668,000 |
| BAILEY FENCE COMPANY INC | 1 | $309,761 |
| RNR GENERAL ENGINEERING | 1 | $238,581 |
| ELITE MAINTENANCE AND TREE SERVICE | 1 | $85,920 |
| CALIFORNIA LANDSCAPE SERVICES INC | 1 | $55,958 |
| JORGENSEN & SONS INC. | 1 | $55,564 |
| NOR - CAL PIPELINE SERVICES | 1 | $55,000 |
| MID PACIFIC ENGINEERING, INC. | 1 | $25,900 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Sep 16, 2026 | Geotech Services for Woodward SpillwayWater | MID PACIFIC ENGINEERING, INC. | $25,900 |
| Sep 3, 2026 | WTP Fire Pump Control Panel ReplacementOther | JORGENSEN & SONS INC. | $55,564 |
| Aug 24, 2026 | 2026-2027 Construction Ready Mix - AOther | D S S COMPANY DBA KNIFE RIVER CONSTRUCTION | $33,810 |
| Jul 14, 2026 | Main Office Pavement Imp. Project Ph. 2Paving & streets | RNR GENERAL ENGINEERING | $238,581 |
| May 26, 2026 | FCOC Tree Removal MaintenanceParks, landscape & fields | ELITE MAINTENANCE AND TREE SERVICE | $85,920 |
| Feb 25, 2026 | Tracy Booster Motor RebuildWater | INDUSTRIAL ELECTRICAL CO | $15,864 |
| Dec 9, 2025 | Drain 11 Emergency RepairsOther | D S S COMPANY DBA KNIFE RIVER CONSTRUCTION | $253,996 |
| Nov 10, 2025 | Lat. Wcc Sta. 24 Control BoxConcrete & masonry | — | $8,000 |
| Nov 10, 2025 | Various District ProjectsConcrete & masonry | — | $20,000 |
| Oct 31, 2025 | Lat. T-Tb Control StructureConcrete & masonry | — | $16,000 |
| Oct 28, 2025 | Lateral W-190dd to We Pipeline ConnectioOther | D S S COMPANY DBA KNIFE RIVER CONSTRUCTION | $1,487,977 |
| Sep 23, 2025 | SSJID Main Office LandscapeParks, landscape & fields | CALIFORNIA LANDSCAPE SERVICES INC | $55,958 |
| Sep 23, 2025 | Pipeline Cleaning ServicesOther | NOR - CAL PIPELINE SERVICES | $55,000 |
| Sep 23, 2025 | WTP Backup Generator InstallationElectrical, low voltage & AV | INDUSTRIAL ELECTRICAL CO | $788,475 |
| Sep 9, 2025 | Chemical Room and Gallery Pads FloorDemolition & site work | — | $77,638 |
| Jun 24, 2025 | Canyon Tunnel ProjectOther | PROVOST & PRITCHARD ENGINEERING GROUP, INC | $6,926,000 |
| Jun 24, 2025 | Canyon Tunnel ConstructionOther | — | $74,777,777 |
| Apr 22, 2025 | District Office 3-inch AC Grind & ReplacPaving & streets | BAILEY FENCE COMPANY INC | $309,761 |
| Nov 26, 2024 | M2 Tank Interior Coating RehabilitationWater | — | $568,440 |
| Sep 24, 2024 | Lateral "X-W" Connection PipelineParks, landscape & fields | — | $1,908,251 |
| Aug 13, 2024 | Solar Farm Repowering PV1Solar, EV & energy | NULIFE POWER ELECTRIC SERVICES LLC | $668,000 |
| May 23, 2024 | Canyon Tunnel 95% DesignOther | — | $753,650 |
| Apr 1, 2024 | Membrane Tank Caulking ProjectOther | — | — |
| Mar 12, 2024 | Chemical and Zenon Buildings Roof OverlaPaving & streets | — | — |
| Feb 19, 2024 | Solar Farm Repowering ProjectSolar, EV & energy | — | — |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.