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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
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	204002	Returned to Compliance	01-APR-2002	30-APR-2002	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	104001	Returned to Compliance	01-SEP-2001	30-SEP-2001	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
204005	204002	SOX	State Compliance achieved	30-MAY-2002	State	This TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
204004	104001	SOX	State Compliance achieved	30-OCT-2001	State	This TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.

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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
CONTRA COSTA CANAL INTAKE	58381	Yes	Consecutive Connection	Surface water	Permanent	Active
DOVER WELL	63290	Yes	Well	Ground water	Permanent	Active
BODEGA WELL	24017	Yes	Well	Ground water	Permanent	Active
BALLPARK WELL	12768	Yes	Well	Ground water	Other	Inactive
ROSSMOORE WELL	12767	Yes	Well	Ground water	Other	Inactive
VICTORIA CANAL INTAKE	45702	Yes	Intake	Surface water	Other	Inactive
ROCK SLOUGH INTAKE	25078	Yes	Intake	Surface water	Other	Inactive
OLD RIVER INTAKE	25077	Yes	Intake	Surface water	Other	Inactive
LOS VAQUEROS RESERVOIR	25076	Yes	Intake	Surface water	Other	Inactive
CONTRA LOMA RESERVOIR	25074	Yes	Intake	Surface water	Other	Inactive
DISTRIBUTION SYSTEM	25075	No	Distribution System/Zone	-	-	Active
PITTSBURG WTP	1411	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
PITTSBURG WTP	1411	Activated Carbon, Powdered	Taste / odor control
PITTSBURG WTP	1411	Permanganate	Taste / odor control
PITTSBURG WTP	1411	Hypochlorination, Pre	Disinfection
PITTSBURG WTP	1411	Chloramines	Disinfection by-products control
PITTSBURG WTP	1411	pH Adjustment, Post	Corrosion control
PITTSBURG WTP	1411	Inhibitor, Orthophosphate	Corrosion control
PITTSBURG WTP	1411	Coagulation	Particulate removal
PITTSBURG WTP	1411	Sedimentation	Particulate removal
PITTSBURG WTP	1411	Flocculation	Particulate removal
PITTSBURG WTP	1411	Rapid Mix	Particulate removal
PITTSBURG WTP	1411	Fluoridation	Other
PITTSBURG WTP	1411	Chloramines	Disinfection
PITTSBURG WTP	1411	Filtration, Rapid Sand	Particulate removal

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