TRI Reporter
Clean Water Act
GRANITE ROCK COMPANY REDWOOD CITY
Quick Summary
- •Released 0 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
355 BLOMQUIST ST
REDWOOD CITY, CA 94063
View on map ↗ - County
- SAN MATEO County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 327320
- Total Penalties
- $0
- Registry ID
- 110070087505
How This Compares
#895
of 996 TRI reporters in CA
#15,261
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
Emissions Trend (2016–2024)
+3186% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2016 | 0 | — |
| 2017 | 0 | +36% |
| 2018 | 0 | -37% |
| 2020 | 0 | — |
| 2021 | 0 | +43% |
| 2022 | 7 | +7180% |
| 2023 | 7 | +1% |
| 2024 | 5 | -38% |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium | 6 | 0 | 0 | 6 | — | |
| Zinc (fume or dust) | 1 | 0 | — | 1 | — | |
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium | 6 | 0 | 0 | 6 | — | |
| Zinc (fume or dust) | 1 | 0 | — | 1 | — | |
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | 0 | 0 | — | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|
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