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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
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9604009	Returned to Compliance	01-APR-1996	30-APR-1996	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9304008	Returned to Compliance	01-JUN-1993	30-JUN-1993	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9204006	Returned to Compliance	01-SEP-1992	30-SEP-1992	No

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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
9704020	9604009	SOX	State Compliance achieved	30-MAY-1996	State	This TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
9304013	9204006	SFJ	State Formal Notice of Violation issued	13-AUG-1993	State	FAILED TOTAL COLIFORM MCL CEASE & DESIST, PUB. NOTIF. IN NEWSPAPER
9704017	9304008	SOX	State Compliance achieved	30-JUN-1993	State	RETURN TO COMPLIANCE

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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
EMERGENCY CONNECTION - HAYWARD D STREET	69033	Yes	Consecutive Connection	Surface water	Emergency	Active
FARWELL WELL	24021	Yes	Well	Ground water	Permanent	Active
BELLFLOWER WELL	24020	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 03	12723	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 03	12721	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 02	12720	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 01	12719	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 09	12717	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 05	12716	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 04	12715	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 06	12714	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 02	12713	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 01	12712	Yes	Well	Ground water	Permanent	Active
DARVON WELL 02	12711	Yes	Well	Ground water	Permanent	Active
DARVON WELL 01	12710	Yes	Well	Ground water	Permanent	Active
CEDAR WELL 02	12709	Yes	Well	Ground water	Permanent	Active
CEDAR WELL 01	12708	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 06	12707	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 04	12699	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 08	12694	Yes	Well	Ground water	Permanent	Active
MOWRY WELL 07	12693	Yes	Well	Ground water	Permanent	Active
PERALTA-TYSON WELL 07	12692	Yes	Well	Ground water	Permanent	Active
PERALTA TYSON WELL 08	12689	Yes	Well	Ground water	Permanent	Active
MJB SOFT PLNT-BLEND OF WELL WATER-ABND	7952	Yes	Well	Ground water	Other	Inactive
MOWRY WELL 05 - DESTROYED	21377	Yes	Well	Ground water	Other	Inactive
PERALTA WELL - DESTROYED	18965	Yes	Well	Ground water	Other	Inactive
OLIVE WELL - DESTROYED	18951	Yes	Well	Ground water	Other	Inactive
WHEELER WELL - DESTROYED	18943	Yes	Well	Ground water	Other	Inactive
WHIPPLE 01 - DESTROYED	18942	Yes	Well	Ground water	Other	Inactive
WHIPPLE 02 - DESTROYED	18941	Yes	Well	Ground water	Other	Inactive
SCHINN 02 - DESTROYED	18936	Yes	Well	Ground water	Other	Inactive
SCHINN 01 - DESTROYED	18935	Yes	Well	Ground water	Other	Inactive
ROCK AVE. - DESTROYED	18930	Yes	Well	Ground water	Other	Inactive
TANK LANE - DESTROYED	18905	Yes	Well	Ground water	Other	Inactive
KING AVE. - DESTROYED	18883	Yes	Well	Ground water	Other	Inactive
DRISCOLL WELL - DESTROYED	18881	Yes	Well	Ground water	Other	Inactive
14TH STREET - DESTROYED	18880	Yes	Well	Ground water	Other	Inactive
I STREET - DESTROYED	18879	Yes	Well	Ground water	Other	Inactive
NURSERY - STANDBY	24390	Yes	Well	Ground water	Emergency	Active
WHIPPLE WELL - STANDBY	24372	Yes	Well	Ground water	Emergency	Active
LAKE DEL VALLE RESERVOIR	54932	Yes	Reservoir	Surface water	Permanent	Active
SOUTH BAY AQUEDUCT	24753	Yes	Intake	Surface water	Permanent	Active
EMERGENCY CONNECTION - HAYWARD WHIPPLE	69034	Yes	Consecutive Connection	Surface water	Emergency	Active
EMERGENCY CONNECTION - MILPITAS GREEN	69035	Yes	Consecutive Connection	Surface water	Emergency	Active
EMERGENCY CONNECTION - MILPITAS MILMONT	69036	Yes	Consecutive Connection	Surface water	Emergency	Active
SFPUC TAKEOFF - CENTRAL & CHERRY	24751	Yes	Consecutive Connection	Surface water	Permanent	Active
SFPUC TAKEOFF - PT BLEND FACILITY (SF1)	24752	Yes	Consecutive Connection	Surface water	Permanent	Active
SFPUC TAKEOFF - DURHAM	69023	Yes	Consecutive Connection	Surface water	Permanent	Active
SFPUC TAKEOFF - FREMONT	69024	Yes	Consecutive Connection	Surface water	Permanent	Active
SFPUC TAKEOFF - MISSION	69025	Yes	Consecutive Connection	Surface water	Permanent	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
MISSION SAN JOSE WTP	1629	Rapid Mix	Particulate removal
MISSION SAN JOSE WTP	1629	Chloramines	Disinfection
MISSION SAN JOSE WTP	1629	Hypochlorination, Post	Disinfection
MISSION SAN JOSE WTP	1629	Filtration, Ultrafiltration	Particulate removal
MISSION SAN JOSE WTP	1629	Sedimentation	Particulate removal
MISSION SAN JOSE WTP	1629	Flocculation	Particulate removal
MISSION SAN JOSE WTP	1629	pH Adjustment	Corrosion control
PERALTA-TYSON BLENDING FACILITY	1630	Chloramines	Disinfection
PERALTA-TYSON BLENDING FACILITY	1630	Fluoridation	Other
PERALTA-TYSON BLENDING FACILITY	1630	pH Adjustment	Corrosion control
WATER TREATMENT PLANT 2	1632	Ozonation, Pre	Disinfection
WATER TREATMENT PLANT 2	1632	Hypochlorination, Pre	Disinfection
WATER TREATMENT PLANT 2	1632	Chloramines	Disinfection
WATER TREATMENT PLANT 2	1632	Sedimentation	Particulate removal
WATER TREATMENT PLANT 2	1632	Flocculation	Particulate removal
WATER TREATMENT PLANT 2	1632	Coagulation	Particulate removal
WATER TREATMENT PLANT 2	1632	pH Adjustment	Corrosion control
WATER TREATMENT PLANT 2	1632	Filtered	Particulate removal
NEWARK DESALINATION FACILITY	1664	Chloramines	Disinfection
NEWARK DESALINATION FACILITY	1664	Chloramines	Disinfection by-products control
NEWARK DESALINATION FACILITY	1664	Reverse Osmosis	Disinfection by-products control
NEWARK DESALINATION FACILITY	1664	pH Adjustment	Corrosion control

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