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Agricultural Chemicals, St Joseph, Missouri. NPDES permit MO0110825, in force until Apr 30, 2030. Last 12 months: over a limit 2 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 001 | Benzene hexachloride, daily maximum | .045 | ≤ .012 ug/L | 275% |
| December 2025 | 002 | Dieldrin, daily maximum | .0095 | ≤ .00012 ug/L | 7817% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 001 |
| Ametryn | daily maximum | ≤ 60 ug/L | all year | 001 |
| Chlorpyrifos | daily maximum | ≤ .064 ug/L | all year | 001 |
| Atrazine | daily maximum | ≤ 450 ug/L | all year | 001 |
| 4,4'-DDD | daily maximum | ≤ .0014 ug/L | all year | 001 |
| Aldrin | daily maximum | report only (ug/L) | all year | 001 |
| Metolachlor | daily maximum | ≤ 70 ug/L | all year | 001 |
| Dieldrin | daily maximum | ≤ .00012 ug/L | all year | 001 |
| Endosulfan, total | daily maximum | ≤ .11 ug/L | all year | 001 |
| 2,4-Dichlorophenoxyacetic acid | daily maximum | ≤ 70 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlordane | daily maximum | ≤ .00078 ug/L | all year | 001 |
| Imidacloprid [Neonicotinoid] | daily maximum | report only (ug/L) | all year | 001 |
| Glyphosate, total | daily maximum | ≤ 700 ug/L | all year | 001 |
| Benzene hexachloride | daily maximum | ≤ .012 ug/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 002 |
| Ametryn | daily maximum | ≤ 60 ug/L | all year | 002 |
| Chlorpyrifos | daily maximum | ≤ .064 ug/L | all year | 002 |
| Atrazine | daily maximum | ≤ 450 ug/L | all year | 002 |
| 4,4'-DDD | daily maximum | ≤ .0014 ug/L | all year | 002 |
| Aldrin | daily maximum | report only (ug/L) | all year | 002 |
| Metolachlor | daily maximum | ≤ 70 ug/L | all year | 002 |
| Dieldrin | daily maximum | ≤ .00012 ug/L | all year | 002 |
| Endosulfan, total | daily maximum | ≤ .11 ug/L | all year | 002 |
| 2,4-Dichlorophenoxyacetic acid | daily maximum | ≤ 70 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlordane | daily maximum | ≤ .00078 ug/L | all year | 002 |
| Imidacloprid [Neonicotinoid] | daily maximum | report only (ug/L) | all year | 002 |
| Glyphosate, total | daily maximum | ≤ 700 ug/L | all year | 002 |
| Benzene hexachloride | daily maximum | ≤ .012 ug/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 003 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 003 |
| Ametryn | daily maximum | ≤ 60 ug/L | all year | 003 |
| Chlorpyrifos | daily maximum | ≤ .064 ug/L | all year | 003 |
| Atrazine | daily maximum | ≤ 450 ug/L | all year | 003 |
| 4,4'-DDD | daily maximum | ≤ .0014 ug/L | all year | 003 |
| Aldrin | daily maximum | report only (ug/L) | all year | 003 |
| Metolachlor | daily maximum | ≤ 70 ug/L | all year | 003 |
| Dieldrin | daily maximum | ≤ .00012 ug/L | all year | 003 |
| Endosulfan, total | daily maximum | ≤ .11 ug/L | all year | 003 |
| 2,4-Dichlorophenoxyacetic acid | daily maximum | ≤ 70 ug/L | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlordane | daily maximum | ≤ .00078 ug/L | all year | 003 |
| Imidacloprid [Neonicotinoid] | daily maximum | report only (ug/L) | all year | 003 |
| Glyphosate, total | daily maximum | ≤ 700 ug/L | all year | 003 |
| Benzene hexachloride | daily maximum | ≤ .012 ug/L | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 004 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 004 |
| pH | minimum | report only (SU) | all year | 004 |
| pH | maximum | report only (SU) | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Chlorine, total residual | daily maximum | report only (ug/L) | all year | 004 |
| Chlorine, total residual | monthly average | report only (ug/L) | all year | 004 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 22 Chemicals and Allied Products permits in Missouri.
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