MASONVILLE, CITY OF-STP

Address

GORDON ST. 1/4 MILE EAST OF LOCAL ST.
MASONVILLE, IA 50654
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County

DELAWARE County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

1 · last Jun 17, 2022

Total Penalties

$0

Registry ID

110012676274

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

1

Water (CWA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
cwa	Schedule Event reported late	Sep 1, 2025	—	Open
cwa	Schedule Event achieved late but reported	Sep 1, 2025	—	Open

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	28.00 mg/L	25.00	+12%	Nov 2022	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	25.50 mg/L	25.00	+2%	Nov 2021	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	27.00 mg/L	25.00	+8%	Jun 2021	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	27.00 mg/L	25.00	+8%	May 2020	Open

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