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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
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2566096	Returned to Compliance	01-JUL-2025	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1639985	Returned to Compliance	01-JUL-2016	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9201780	Known	01-NOV-1991	30-NOV-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	8062012	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	8062016	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	8062017	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	8062018	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	8062013	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	8062011	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	8062010	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8051444	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	8062014	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
66096ENF	2566096	SOX	State Compliance achieved	17-OCT-2025	State	-
39985ENF	1639985	SOX	State Compliance achieved	17-AUG-2016	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
225004/EDMONDS	21826	Yes	Consecutive Connection	Surface water	Emergency	Active
Well #2 BKL492	34563	Yes	Well	Ground water	Permanent	Active
Well #1 BIY700	34562	Yes	Well	Ground water	Permanent	Active
228th Street Wellfield	34559	Yes	Well	Ground water	Permanent	Active
WELL #2	27941	Yes	Well	Ground water	Emergency	Inactive
WELL #1	27940	Yes	Well	Ground water	Emergency	Inactive
DEER CREEK WELLS	21823	Yes	Well	Ground water	Emergency	Inactive
77050Y/SEATTLE	21822	Yes	Consecutive Connection	Surface water	Permanent	Active
DEER CREEK SURFACE	21825	Yes	Intake	Surface water	Permanent	Active
DEER CREEK SPRINGS	21824	Yes	Spring	Ground water	Emergency	Active
Deer Creek sources 03 & 04	3145	No	Treatment Plant	-	-	Active
Purchased surface water	5446	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
Deer Creek sources 03 & 04	3145	Hypochlorination, Post	Disinfection
Deer Creek sources 03 & 04	3145	Coagulation	Particulate removal
Deer Creek sources 03 & 04	3145	Sedimentation	Particulate removal
Deer Creek sources 03 & 04	3145	Filtration, Rapid Sand	Particulate removal
Deer Creek sources 03 & 04	3145	Rapid Mix	Particulate removal
Deer Creek sources 03 & 04	3145	Inhibitor, Orthophosphate	Corrosion control
Deer Creek sources 03 & 04	3145	Fluoridation	Other
Purchased surface water	5446	Hypochlorination, Post	Disinfection

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