Non-Compliance Clean Air Act Clean Water Act RCRA

PALO ALTO REGIONAL WATER QUALITY CONTROL PLANT

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: 2501 EMBARCADERO WAY
PALO ALTO, CA 94303
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County: SANTA CLARA County
Industry: Utilities
NAICS (North American Industry Classification): 221320
Inspections: 2 · last Jun 24, 2025
Total Penalties: $0 · last Aug 18, 2014
Registry ID: 110000906556

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

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, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	10.10 mg/L	20.00	+99,999%	May 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	10.10 mg/L	20.00	+99,999%	May 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	10.20 mg/L	20.00	+99,999%	Mar 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	10.20 mg/L	20.00	+99,999%	Mar 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	7.44 mg/L	20.00	+99,999%	Apr 2017	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	7.44 mg/L	20.00	+99,999%	Apr 2017	Open
Solids, total suspended	DMR, Limited - Numeric Violation	22.20 mg/L	20.00	+11%	Jul 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	22.20 mg/L	20.00	+11%	Jul 2015	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 Penalty AO

Clean Water Act · Case CA-N00002147

State CWA Penalty AO

Clean Water Act · Case CA-N00003555

State CWA Non Penalty AO

Clean Water Act · Case CA-2015-1023 · Feb 11, 2015

State CWA Penalty AO

Clean Water Act · Case CA-2014-1071 · Aug 18, 2014

$66,000

State CWA Penalty AO

Clean Water Act · Case CA-N00000875 · Apr 17, 2002

State CWA Penalty AO

Clean Water Act · Case CA-N00000874 · Jul 27, 2001

State CWA Penalty AO

Clean Water Act · Case CA-N00002705 · Sep 20, 2000

State CWA Non Penalty AO

Clean Water Act · Case CA-N00000417 · Jul 21, 1993

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