EPA · discharge permits by pollutant and parameter
Silica, dissolved [as SiO2]
- 3Permits carrying a limit
- 0With a recorded exceedance
- 0States
EPA identifies this parameter by code 00955. A permit listed here carries a numeric limit on silica, dissolved [as sio2] in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.
Other pollutants
- Chloride [as Cl] 3,039
- Chloride, dissolved in water 74
- Chloride, total recoverable 129
- Sulfate, total [as SO4] 2,841
- Sulfate, dissolved [as SO4] 20
- Asbestos 127
- Fluoride 40
- Fluoride, dissolved [as F] 56
- Fluoride, total [as F] 850
- Fluorine 4
- Silica, total [as SiO2] 16
- Arsenic, total recoverable 2,452
- Cobalt, total recoverable 54
- Iron, total recoverable 4,424
- Selenium, total recoverable 2,113
- Thallium, total recoverable 754
- Tin, total recoverable 14
- Titanium, total recoverable 8
- Iron and manganese, total 6
- Arsenic, trivalent total recoverable 3
Permits
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| WATSONVILLE WWTF | CA0048216 | WATSONVILLE | CA | Publicly owned treatment works | Major | MONTEREY BAY |
| SHIN-ETSU SILICONES OF AMERICA | TX0124427 | FREEPORT | TX | Major | DOW PLANT A CANAL, SEG NO. 1201 | |
| CARMEL AREA WWTP | CA0047996 | MONTEREY COUNTY | CA | Publicly owned treatment works | Major | PACIFIC OCEAN AT CARMEL BAY |
What this page shows
This page covers Clean Water Act discharge permits with limits on the pollutant parameter Silica, dissolved [as SiO2]. It lists 3 permits with a limit on this parameter and 3 permits with a recorded violation of this parameter.