EPA · Texas · discharge permits by parameter
Hardness, total [as CaCO3] in Texas
- 13Permits carrying a limit
- 0With a recorded exceedance
- 2,593Nationwide
A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Texas permits that carry one for Hardness, total [as CaCO3]: 13 permits, of which 0 have a recorded exceedance. Nationwide the same parameter appears in 2,593 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 |
|---|---|---|---|---|---|
| CORPUS CHRISTI, CITY OF | TXS000601 | CORPUS CHRISTI | Large municipal storm sewer systems | Major | |
| CITY OF WACO MS4 | TXS002001 | WACO | Publicly owned treatment works | Major | Cottonwood Creek-Brazos River |
| CITY OF AUSTIN MS4 | TXS000401 | AUSTIN | Large municipal storm sewer systems | Major | VARIOUS DITCHES AND TRIBUTARIES, LA |
| CITY OF LAREDO MS4 | TXS001401 | LAREDO | Large municipal storm sewer systems | Major | Zacata Creek-Rio Grande |
| CITY OF AMARILLO MS4 | TXS000201 | AMARILLO | Large municipal storm sewer systems | Major | Upper East Amarillo Creek |
| CITY OF SAN ANTONIO MS4 | TXS001901 | SAN ANTONIO | Large municipal storm sewer systems | Major | Beitel Creek-Salado Creek |
| CITY OF PASADENA MS4 | TXS001701 | PASADENA | Large municipal storm sewer systems | Major | VARIOUS DITCHED, HOUSTON SHIP CHANN |
Other pollutants in Texas
- Nitrate nitrogen, dry weight 24
- Nitrogen, Kjeldahl, total [as N] 53
- Nitrite + Nitrate total [as N] 490
- Phosphate, total [as PO4] 5
- Phosphorus, total [as P] 247
- Phosphorus, dissolved 14
- Carbon, tot organic [TOC] 199
- Cyanide, total [as CN] 34
- Cyanide, free [amenable to chlorination] 48
- Sulfide, total [as S] 32
- Calcium, dissolved [as Ca] 13
- Calcium, total [as Ca] 17
- Magnesium, dissolved [as Mg] 12
- Magnesium, total [as Mg] 33
- Sodium, total [as Na] 13
- Sodium, dissolved [as Na] 12
- Sodium adsorption ratio 12
- Potassium, dissolved [as K] 3
- Potassium, total [as K] 45
- Chloride [as Cl] 111
Hardness, total [as CaCO3] nationwide
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