Non-Compliance Clean Water Act

WALKER CITY OF STP

Quick Summary

•Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
•Assessed $0 in total penalties since records began.

Address: 408 ROWLING STREET
WALKER, IA 52352
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County: LINN County
Industry: Utilities
NAICS (North American Industry Classification): 221320
Inspections: 1 · last Jun 28, 2023
Total Penalties: $0
Registry ID: 110009724511

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.

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
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	1,869.89 kg/d	27.83	+6,619%	Jul 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	375.31 kg/d	17.02	+2,104%	Jul 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	5.51 mg/L	3.50	+57%	May 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	5.07 mg/L	3.00	+69%	Oct 2017	Open
Solids, total suspended	DMR, Limited - Numeric Violation	38.60 mg/L	30.00	+29%	Jul 2016	Open
Oxygen, dissolved [DO]	DMR, Limited - Numeric Violation	4.15 mg/L	5.00	+17%	Feb 2015	Open

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