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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	1218296	Returned to Compliance	01-OCT-2010	-	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	95V0006	Known	01-MAR-1995	31-MAR-1995	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	95V0005	Known	01-FEB-1995	28-FEB-1995	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	95V0004	Known	01-JAN-1995	31-JAN-1995	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	95V0003	Known	01-DEC-1994	31-DEC-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	95V0002	Known	01-NOV-1994	30-NOV-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	95V0001	Known	01-OCT-1994	31-OCT-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0001	Known	01-SEP-1994	30-SEP-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0002	Known	01-AUG-1994	31-AUG-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0003	Known	01-JUL-1994	31-JUL-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0004	Known	01-JUN-1994	30-JUN-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0005	Known	01-MAY-1994	31-MAY-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0006	Known	01-APR-1994	30-APR-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0007	Known	01-MAR-1994	31-MAR-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0008	Known	01-FEB-1994	28-FEB-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	94V0009	Known	01-JAN-1994	31-JAN-1994	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8050249	Known	01-OCT-1979	31-OCT-1979	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
1218296ENF	1218296	SOX	State Compliance achieved	15-NOV-2010	State	-

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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
LAKE WHATCOM OLD	6192	Yes	Intake	Surface water	Emergency	Inactive
NOOKSACK/LAKE WHATCOM	6191	Yes	Intake	Surface water	Permanent	Active
MIDDLE FORK NOOKSACK	6193	Yes	Intake	Surface water	Seasonal	Inactive
Nooksack/Lake Whatcom	4489	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
Nooksack/Lake Whatcom	4489	pH Adjustment, Post	Corrosion control
Nooksack/Lake Whatcom	4489	Gaseous Chlorination, Post	Disinfection
Nooksack/Lake Whatcom	4489	Rapid Mix	Particulate removal
Nooksack/Lake Whatcom	4489	Coagulation	Particulate removal
Nooksack/Lake Whatcom	4489	Filtration, Rapid Sand	Particulate removal
Nooksack/Lake Whatcom	4489	Flocculation	Organics removal

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