Non-Compliance Clean Air Act Clean Water Act RCRA

XCEL ENERGY - PRAIRIE ISLAND NUCLEAR

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: 1717 WAKONADE DRIVE EAST
WELCH, MN 55089
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County: GOODHUE County
Industry: Utilities
NAICS (North American Industry Classification): 221113
Inspections: 3 · last Feb 7, 2024
Total Penalties: $0 · last Feb 10, 2012
Registry ID: 110000835712

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.

Air (CAA)
Qtrs Non-Compliant

Water (CWA)
Qtrs Non-Compliant

Hazardous Waste (RCRA)
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	Reporting Violations - Failure to Notify	Mar 29, 2012	—	Open
cwa	Effluent Violations - Unauthorized Discharge	Mar 29, 2012	—	Open
cwa	Management Practice Violations - Improper Operation and Maintenance	Oct 11, 2010	—	Open
cwa	Management Practice Violations - Failure to Maintain Records	Mar 23, 2010	—	Open
cwa	Monitoring Violations - Improper Analysis or Lab Error	Mar 23, 2010	—	Open
cwa	Monitoring Violations - Improper Analysis or Lab Error	Aug 10, 2009	—	Open
rcra	Standards Applicable to Generators of HW: General	May 24, 1993	Aug 24, 1993	Resolved
rcra	Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators	May 24, 1993	Aug 24, 1993	Resolved
rcra	Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators	May 24, 1993	Aug 24, 1993	Resolved

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
Oxidants, total residual	DMR, Limited - Numeric Violation	0.08 mg/L	0.04	+100%	May 2023	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	473.30 MGD	259.00	+83%	Jun 2021	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	321.90 MGD	259.00	+24%	Jun 2020	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	285.40 MGD	259.00	+10%	Jun 2018	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	334.40 MGD	259.00	+29%	Jun 2017	Open

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 Non Penalty AO

Clean Water Act · Case MN-NOV10132023 · Oct 13, 2023

State CWA Non Penalty AO

Clean Water Act · Case MN-NV06212012 · Jun 14, 2012

State CWA Non Penalty AO

Clean Water Act · Case MN-AP12212010 · Dec 21, 2010

Letter of Warning (LOW)

RCRA (Hazardous Waste) · Case RCRA-MND049537780-002 · Jul 14, 1993

TEN DAY LETTER

RCRA (Hazardous Waste) · Case RCRA-MND049537780-003 · Jul 9, 1993

State CWA Non Penalty AO

Clean Water Act · Case MN-N00000116 · Nov 30, 1990

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