Passage Data · Check a report · Use it from your AI
Refuse Systems, Rockford, Michigan. NPDES permit MI0037486, in force until Oct 1, 2029. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| July 2026 | Oxygen, dissolved [DO], daily minimum | 6.4 | ≥ 7 mg/L | 9% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 004 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 004 |
| Perfluorononanoic acid (PFNA) | daily maximum | report only (ng/L) | all year | 004 |
| Perfluorohexane Sulfonate | daily maximum | report only (ng/L) | all year | 004 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 004 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 004 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 mg/L | all year | 005 |
| pH | daily minimum | ≥ 6.5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6 mg/L | Jan, Feb, Mar, Dec | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.8 mg/L | Oct, Nov | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.8 mg/L | Apr | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.9 mg/L | May–Sep | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Dec | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7 mg/L | Oct, Nov | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9 mg/L | Apr | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4 mg/L | May–Sep | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 lb/d | Jan, Feb, Mar, Dec | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.8 lb/d | Oct, Nov | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.8 lb/d | Apr | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 lb/d | May–Sep | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 lb/d | Jan, Feb, Mar, Dec | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.8 lb/d | Oct, Nov | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11 lb/d | Apr | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5 lb/d | May–Sep | 005 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | 005 |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | 005 |
| Perfluorononanoic acid (PFNA) | daily maximum | report only (ng/L) | all year | 005 |
| Perfluorohexane Sulfonate | daily maximum | report only (ng/L) | all year | 005 |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year | 005 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 7 mg/L | Oct, Nov | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 3 mg/L | May–Sep | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Dec | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 8.8 lb/d | Oct, Nov | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 3.8 lb/d | May–Sep | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 lb/d | Jan, Feb, Mar, Apr, Dec | 005 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 005 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Cyanide [A], monthly average | 0.0065 lb/d | new | — | — |
| Cyanide [A], monthly average | 5.2 ug/L | new | — | — |
| Mercury, total [as Hg], 12-month average | 0.0000025 lb/d | new | — | — |
| Mercury, total [as Hg], 12-month average | 2 ng/L | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 2 lb/d (May–Sep) | tighter | 0.45 lb/d (4 values) | 0.225× |
| Nitrogen, ammonia total [as N], monthly average | 1.6 mg/L (May–Sep) | tighter | 1.55 mg/L (4 values) | 0.969× |
| Nitrogen, ammonia total [as N], monthly average | 3.8 lb/d (Oct, Nov) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 3 mg/L (Oct, Nov) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 4.2 mg/L (Jan, Feb, Mar, Dec) | tighter | 2.995 mg/L (4 values) | 0.713× |
| Nitrogen, ammonia total [as N], monthly average | 5.3 lb/d (Jan, Feb, Mar, Dec) | tighter | 0.59 lb/d (4 values) | 0.111× |
| Perfluorobutanesulfonic acid (PFBS), daily maximum | 250 ng/L | new | 6.5 ng/L (10 values) | 0.026× |
| Perfluorohexane Sulfonate, daily maximum | 60 ng/L | new | 6 ng/L (10 values) | 0.1× |
| Perfluorononanoic acid (PFNA), daily maximum | 26 ng/L | new | 1.6 ng/L (10 values, 10 below detection) | — |
| Perfluorooctanesulfonate, daily maximum | 15 ng/L | new | 8.3 ng/L (10 values) | 0.553× |
| Perfluorooctanesulfonate, monthly average | 12 ng/L | new | — | — |
| Perfluorooctanesulfonate, monthly average | 0.000015 lb/d | new | — | — |
| Perfluorooctanoic acid (PFOA), daily maximum | 40 ng/L | new | 33.5 ng/L (10 values) | 0.837× |
Cited limits by parameter: Michigan's rules and the federal ones.
Same industry: the 13 Refuse Systems permits in Michigan.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MI0037486 · MCP: https://passage-data.com/mcp