EPA · Louisiana · discharge permits by parameter
Hardness, total [as CaCO3] in Louisiana
- 3Permits 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 Louisiana permits that carry one for Hardness, total [as CaCO3]: 3 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 |
|---|---|---|---|---|---|
| SEWERAGE & WATER BD OF NEW ORLEANS -EAST BANK | LAS000301 | NEW ORLEANS | Large municipal storm sewer systems | Major | Metairie Canal-Canal No 2 |
| JEFFERSON PARISH - MS4 | LAS000201 | JEFFERSON | Large municipal storm sewer systems | Major | Duncan Canal-Canal No 2 |
| SHREVEPORT, CITY OF | LAS000401 | SHREVEPORT | Large municipal storm sewer systems | Major | Sand Beach Bayou-Bayou Pierre |
Other pollutants in Louisiana
- Ammonia nitrogen, total, [as N] 30 day 4
- Nitrogen, ammonia total [as N] 482
- Nitrogen, nitrate total [as N] 11
- Nitrogen, Kjeldahl, total [as N] 8
- Nitrite + Nitrate total [as N] 35
- Phosphorus, total [as P] 567
- Phosphorus, dissolved 4
- Carbon, tot organic [TOC] 532
- Cyanide, total [as CN] 50
- Sulfide, total [as S] 19
- Calcium, total [as Ca] 5
- Magnesium, total [as Mg] 13
- Chloride [as Cl] 99
- Sulfate, total [as SO4] 47
- Fluoride, total [as F] 6
- Iron, total recoverable 35
- Arsenic, total [as As] 77
- Beryllium, total [as Be] 31
- Cadmium, total [as Cd] 91
- Chromium, hexavalent [as Cr] 31
Hardness, total [as CaCO3] nationwide
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