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Water Supply, Mary-D, Pennsylvania. NPDES permit PA0062855, in force until Aug 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 001 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 2 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ 3.8 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 7.6 mg/L | all year | 001 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ 1.17 mg/L | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | daily maximum | report only (SU) | all year | 101 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 101 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 101 |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year | 101 |
| Cadmium, total [as Cd] | daily maximum | report only (lb/d) | all year | 101 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 101 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 101 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 101 |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | all year | 101 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 101 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 101 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 101 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 101 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 101 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 101 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 101 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 101 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 101 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 101 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 101 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 101 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 101 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 101 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 101 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 101 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Copper, total [as Cu], daily maximum | 0.009 mg/L | new | 0.02 mg/L (10 values) | 2.22× |
| Copper, total [as Cu], daily maximum | 0.0001 lb/d | new | 0.0003 lb/d (10 values) | 3× |
| Copper, total [as Cu], monthly average | 0.00007 lb/d | new | 0.0002 lb/d (10 values, 1 below detection) | 2.86× |
| Copper, total [as Cu], monthly average | 0.01 mg/L | new | 0.02 mg/L (10 values, 1 below detection) | 2× |
| Cadmium, total [as Cd], daily maximum | 0.000007 lb/d | new | 0.000004006 lb/d (10 values, 1 below detection) | 0.572× |
| Cadmium, total [as Cd], daily maximum | 0.0004 mg/L | new | 0.0002 mg/L (10 values, 4 below detection) | 0.5× |
| Cadmium, total [as Cd], monthly average | 0.000004 lb/d | new | 0.000002495 lb/d (10 values, 2 below detection) | 0.624× |
| Cadmium, total [as Cd], monthly average | 0.0003 mg/L | new | 0.0002 mg/L (10 values, 4 below detection) | 0.667× |
| Zinc, total [as Zn], daily maximum | 0.0941 mg/L | new | 0.0232 mg/L (10 values) | 0.247× |
| Zinc, total [as Zn], daily maximum | 0.001 lb/d | new | 0.0004 lb/d (10 values) | 0.4× |
| Zinc, total [as Zn], monthly average | 0.0009 lb/d | new | 0.00025 lb/d (10 values) | 0.278× |
| Zinc, total [as Zn], monthly average | 0.0603 mg/L | new | 0.02 mg/L (10 values) | 0.332× |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 214 Water Supply permits in Pennsylvania.
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Your permit document is the final word. As JSON: /api/v1/permits/PA0062855 · MCP: https://passage-data.com/mcp