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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	94V0001	Known	01-DEC-1994	31-DEC-1994	Yes
MR	Monitoring, Regular	Arsenic Rule	Arsenic	8054070	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	8054071	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	8054073	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	8054074	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	8054076	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	8054077	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	8054078	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8050943	Known	01-OCT-1979	31-OCT-1979	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	8054072	Known	01-OCT-1979	31-OCT-1979	No

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Enforcement Actions

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No enforcement action(s) found. EPA has no record of enforcement action(s) reported by the primacy agency for this water system.

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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
00050/Aberdeen (2-Way) Aberdeen Ave	32024	Yes	Consecutive Connection	Surface water	Emergency	Active
00050/Aberdeen (2-Way) Port Dock	32397	Yes	Consecutive Connection	Surface water	Emergency	Active
LITTLE HOQ RIVER	15966	Yes	Intake	Surface water	Emergency	Inactive
DAVIS CREEK	15964	Yes	Intake	Surface water	Permanent	Active
WEST FORK HOQ RIVER	15965	Yes	Intake	Surface water	Seasonal	Active
Hoquiam (S01 & S02)	4462	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
Hoquiam (S01 & S02)	4462	Gaseous Chlorination, Post	Disinfection
Hoquiam (S01 & S02)	4462	Coagulation	Particulate removal
Hoquiam (S01 & S02)	4462	Flocculation	Particulate removal
Hoquiam (S01 & S02)	4462	Filtration, Rapid Sand	Particulate removal
Hoquiam (S01 & S02)	4462	pH Adjustment, Post	Corrosion control

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