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The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

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Violations

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Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9604007	Returned to Compliance	01-MAR-2015	31-MAR-2015	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9604006	Returned to Compliance	01-JUN-1996	30-JUN-1996	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9604005	Returned to Compliance	01-DEC-1995	31-DEC-1995	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9304007	Returned to Compliance	01-JUN-1993	30-JUN-1993	Yes

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9917016	9604007	SOX	State Compliance achieved	10-NOV-2016	State	-
9917019	9604006	SOX	State Compliance achieved	30-JUL-1996	State	This TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
9917018	9604005	SOX	State Compliance achieved	31-JAN-1996	State	This TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
9917017	9304007	SFL	State Administrative/Compliance Order without penalty issued	30-JUN-1993	State	-

• 1 - 4 of 4

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
MID-PENINSULA - 1815 OLD COUNTY RD	69518	Yes	Consecutive Connection	Surface water	Emergency	Active
MID-PENINSULA - 75 SHOREWAY DR	69519	Yes	Consecutive Connection	Surface water	Emergency	Active
MID-PENINSULA - CLUB AT WITHERIDGE	69520	Yes	Consecutive Connection	Surface water	Emergency	Active
REDWOOD CITY - SKYWAY AT BRANSTEN	69524	Yes	Consecutive Connection	Surface water	Emergency	Active
REDWOOD CITY - INDUSTRIAL AT BRANSTEN	69525	Yes	Consecutive Connection	Surface water	Emergency	Active
REDWOOD CITY - OLD COUNTY AT BRANSTEN	69526	Yes	Consecutive Connection	Surface water	Emergency	Active
MPS-CORDILLERAS-2A (SC)	65143	Yes	Consecutive Connection	Surface water	Permanent	Active
MPS-BENNET RD-A (SC)	65144	Yes	Consecutive Connection	Surface water	Permanent	Active
MPS-117-H (SC)	65145	Yes	Consecutive Connection	Surface water	Permanent	Active
MPS-CORDILLERAS-2B (SC)	72920	Yes	Consecutive Connection	Surface water	Permanent	Active
MPS-STATION 121-A (SC)	31421	Yes	Consecutive Connection	Surface water	Permanent	Inactive
MPS-STATION 121-B (SC)	72919	Yes	Consecutive Connection	Surface water	Permanent	Inactive
DISTRIBUTION SYSTEM	31420	No	Distribution System/Zone	-	-	Active
STA 103 PRESSURE TANK	71407	No	Storage	-	-	Active
STA 106 TANK 2	71408	No	Storage	-	-	Active
STA 106 TANK 3	71409	No	Storage	-	-	Active
STA 109 TANK 2	71410	No	Storage	-	-	Active
STA 112 TANK 1	71411	No	Storage	-	-	Active
STA 112 TANK 2	71412	No	Storage	-	-	Active
STA 112 TANK 3	71413	No	Storage	-	-	Active
STA 115 TANK 1	71414	No	Storage	-	-	Active
STA 115 TANK 2	71415	No	Storage	-	-	Active
STA 116 TANK 2	71416	No	Storage	-	-	Active
STA 116 TANK 3	71417	No	Storage	-	-	Active
STA 118 TANK 1	71418	No	Storage	-	-	Active
STA 118 TANK 2	71419	No	Storage	-	-	Active
STA 119 TANK 1	71420	No	Storage	-	-	Active
STA 119 TANK 2	71421	No	Storage	-	-	Active
STA 120 TANK 1	71422	No	Storage	-	-	Active
STA 120 TANK 2	71423	No	Storage	-	-	Active
STA 122 TANK 3	71424	No	Storage	-	-	Active
STA 123 TANK 3	71425	No	Storage	-	-	Active
STA 123 TANK 4	71426	No	Storage	-	-	Active
STA 124 TANK 1	71427	No	Storage	-	-	Active
STA 114 PRESSURE TANK	71566	No	Storage	-	-	Active
STA 116 PRESSURE TANK	71567	No	Storage	-	-	Active
STA 119 PRESSURE TANK	71568	No	Storage	-	-	Active

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Treatment Processes

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No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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