EPA · Hawaii · discharge permits by parameter
Silica, total [as SiO2] in Hawaii
- 4Permits carrying a limit
- 0With a recorded exceedance
- 16Nationwide
A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Hawaii permits that carry one for Silica, total [as SiO2]: 4 permits, of which 0 have a recorded exceedance. Nationwide the same parameter appears in 16 permits. Each row below is one permit, and it opens the agency’s own record for that permit.
Permits
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| PAR HAWAII REFINERY | HI0000329 | KAPOLEI BUSINESS PARK | Major | PACIFIC OCEAN | |
| KAHULUI GENERATING STATION | HI0000094 | KAHULUI | Major | PACIFIC OCEAN | |
| SHIPMAN GENERATING STATION | HI0000264 | UNKNOWN | Major | WAILOA RIVER BASIN | |
| TOPA FINANCIAL CENTER | HI0021768 | HONOLULU | Industrial stormwater | Minor | Waolani Stream |
Other pollutants in Hawaii
- pH 49
- Salinity 6
- Solids, total suspended 43
- Solids, settleable 4
- Oil & Grease 12
- Nitrogen, total [as N] 35
- Nitrogen, ammonia total [as N] 11
- Nitrite + Nitrate total [as N] 24
- Phosphorus, total [as P] 33
- Cyanide, total [as CN] 21
- Arsenic, total recoverable 27
- Iron, total recoverable 8
- Selenium, total recoverable 24
- Thallium, total recoverable 23
- Beryllium, total recoverable [as Be] 21
- Chromium, hexavalent [as Cr] 14
- Chromium, total [as Cr] 3
- Nickel, total recoverable 26
- Silver total recoverable 25
- Zinc, total recoverable 29
Silica, total [as SiO2] nationwide
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