HPI PRODUCTS, INC. - SYLVANIE PLANT

NPDES ID: MO0136735

D — SNC: Discharge monitoring report not received

The facility didn't submit its required discharge monitoring report.

This quarter: 20 reporting violations.

Violations

March 31, 2026

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

December 31, 2025

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Pesticides, general

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Pesticides, general

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Pesticides, general

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

September 30, 2025

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

June 30, 2025

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

March 31, 2025

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

December 31, 2024

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Pesticides, general

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Pesticides, general

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Pesticides, general

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

September 30, 2024

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Storm water flow

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oxygen demand, chem. [high level] [COD]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)