Nestle Purina Petcare Company — NPDES permit MO0101788: limits, due date and EPA's record

Clay And Related Minerals, Bloomfield, Missouri. NPDES permit MO0101788 expired May 31, 2025; its limits still apply. Last 12 months: over a limit 9 times (last July 2026), 2 of 26 reports late. Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Outfall	Parameter	Reported	Limit	Over by
December 2025	002	Nitrogen, ammonia total [as N], daily maximum	8.1	≤ 5.6 mg/L	45%
December 2025	002	Nitrogen, ammonia total [as N], monthly average	6.1	≤ 2.1 mg/L	190%
December 2025	002	Solids, total suspended, monthly average	34.9	≤ 22 mg/L	59%
December 2025	002	Solids, total suspended, weekly average	34.9	≤ 33 mg/L	6%
February 2026	001	pH, maximum	9.3	≤ 9 SU	—
March 2026	002	Nitrogen, ammonia total [as N], daily maximum	15.9	≤ 5.6 mg/L	184%
March 2026	002	Nitrogen, ammonia total [as N], monthly average	15.9	≤ 2.1 mg/L	657%
July 2026	001	Solids, settleable, daily maximum	2	≤ 1.5 mL/L	33%
July 2026	001	Solids, settleable, monthly average	2	≤ 1 mL/L	100%

Limits in force (70)

Parameter	Statistic	Limit	Months	Outfall
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year	001
Oxygen demand, chem. [high level] [COD]	monthly average	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	≤ 120 mg/L	all year	001
Solids, total suspended	monthly average	≤ 80 mg/L	all year	001
Solids, settleable	daily maximum	≤ 1.5 mL/L	all year	001
Solids, settleable	monthly average	≤ 1 mL/L	all year	001
Oil and grease [soxhlet extr.] tot.	daily maximum	≤ 15 mg/L	all year	001
Oil and grease [soxhlet extr.] tot.	monthly average	≤ 10 mg/L	all year	001
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	001
Nitrite + Nitrate total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrite + Nitrate total [as N]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Nitrogen, total Kjeldahl	daily maximum	report only (mg/L)	all year	001
Nitrogen, total Kjeldahl	monthly average	report only (mg/L)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Toxicity [acute], Ceriodaphnia dubia	daily maximum	report only (toxic)	all year	001
Toxicity [acute], Pimephales promelas [Fathead Minnow]	daily maximum	report only (toxic)	all year	001
BOD, 5-day, 20 deg. C	weekly average	≤ 33 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 22 mg/L	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Solids, total suspended	weekly average	≤ 33 mg/L	all year	002
Solids, total suspended	monthly average	≤ 22 mg/L	all year	002
Oil and grease [soxhlet extr.] tot.	daily maximum	≤ 15 mg/L	all year	002
Oil and grease [soxhlet extr.] tot.	monthly average	≤ 10 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 1.7 mg/L	Apr–Sep	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 5.6 mg/L	Jan, Feb, Mar, Oct, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	≤ .6 mg/L	Apr–Sep	002
Nitrogen, ammonia total [as N]	monthly average	≤ 2.1 mg/L	Jan, Feb, Mar, Oct, Nov, Dec	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
E. coli	daily maximum	≤ 1030 #/100mL	Apr–Dec	002
E. coli	30-day geometric mean	≤ 206 #/100mL	Apr–Dec	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
Solids, settleable	daily maximum	report only (mL/L)	all year	003
Oil and grease [soxhlet extr.] tot.	daily maximum	report only (mg/L)	all year	003
Rainfall	daily maximum	report only (in)	all year	003
Storm water flow	daily maximum	report only (MGD)	all year	003
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year	004
pH	minimum	≥ 6.5 SU	all year	004
pH	maximum	≤ 9 SU	all year	004
Solids, total suspended	daily maximum	report only (mg/L)	all year	004
Solids, settleable	daily maximum	report only (mL/L)	all year	004
Oil and grease [soxhlet extr.] tot.	daily maximum	report only (mg/L)	all year	004
Rainfall	daily maximum	report only (in)	all year	004
Storm water flow	daily maximum	report only (MGD)	all year	004
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year	005
pH	minimum	≥ 6.5 SU	all year	005
pH	maximum	≤ 9 SU	all year	005
Solids, total suspended	daily maximum	report only (mg/L)	all year	005
Solids, settleable	daily maximum	report only (mL/L)	all year	005
Oil and grease [soxhlet extr.] tot.	daily maximum	report only (mg/L)	all year	005
Rainfall	daily maximum	report only (in)	all year	005
Storm water flow	daily maximum	report only (MGD)	all year	005
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year	006
pH	minimum	≥ 6.5 SU	all year	006
pH	maximum	≤ 9 SU	all year	006
Solids, total suspended	daily maximum	report only (mg/L)	all year	006
Solids, settleable	daily maximum	report only (mL/L)	all year	006
Oil and grease [soxhlet extr.] tot.	daily maximum	report only (mg/L)	all year	006
Rainfall	daily maximum	report only (in)	all year	006
Storm water flow	daily maximum	report only (MGD)	all year	006

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/MO0101788 · MCP: https://passage-data.com/mcp