MAPLETON CITY OF STP

Address

CITY CLERK, CITY HALL
MAPLETON, IA 51034
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County

MONONA County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

1 · last May 23, 2023

Total Penalties

$0 · last Jul 16, 2014

Registry ID

110010036460

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.

6

Water (CWA)
Qtrs Non-Compliant

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
Solids, total suspended	DMR, Limited - Numeric Violation	50.00 mg/L	45.00	+11%	Jan 2026	Open
Solids, total suspended	DMR, Limited - Numeric Violation	114.00 mg/L	45.00	+153%	Apr 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	85.97 kg/d	51.30	+68%	Jun 2022	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	50.72 kg/d	45.40	+12%	Jul 2021	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	48.53 kg/d	28.60	+70%	May 2021	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	101.99 kg/d	45.40	+125%	May 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	67.40 kg/d	51.30	+31%	Mar 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	51.68 kg/d	51.30	+1%	Jul 2019	Open
Solids, total suspended	DMR, Limited - Overdue	115.11 kg/d	51.30	+124%	Apr 2019	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	115.11 kg/d	51.30	+124%	Apr 2019	Open
Solids, total suspended	DMR, Limited - Numeric Violation	46.00 mg/L	45.00	+2%	Feb 2017	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	30.00 mg/L	25.00	+20%	Sep 2016	Open
Solids, total suspended	DMR, Limited - Numeric Violation	46.00 mg/L	45.00	+2%	Aug 2015	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	7.31 kg/d	6.86	+7%	Aug 2015	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	17.48 kg/d	7.49	+133%	Jul 2015	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	13.62 kg/d	6.45	+111%	Jun 2015	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	16.50 mg/L	14.30	+15%	Jun 2015	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	32.00 mg/L	22.00	+45%	May 2015	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	29.06 kg/d	9.99	+191%	May 2015	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	29.06 kg/d	19.98	+45%	May 2015	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	32.00 mg/L	22.00	+45%	May 2015	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	13.80 kg/d	11.80	+17%	Apr 2015	Resolved

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

State CWA Penalty AO

Clean Water Act · Case IA-8317 · Jul 16, 2014

$1,500

State CWA Penalty AO

Clean Water Act · Case IA-N8317 · Jul 16, 2014

$1,500

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