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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, Source Water (LT2)	Long Term 2 Enhanced Surface Water Treatment Rule	E. COLI	2344694	Returned to Compliance	01-AUG-2008	31-AUG-2008	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2344498	Returned to Compliance	01-NOV-1997	30-NOV-1997	No
TT	Failure to Filter (SWTR)	Surface Water Treatment Rule	Surface Water Treatment Rule	2344693	Returned to Compliance	01-JAN-1992	-	Yes
TT	Failure to Filter (SWTR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9999997	Known	01-JAN-1992	15-NOV-2000	Yes
Other	Operations Report	Miscellaneous Other Rules	-	2290889	Known	01-OCT-1988	31-OCT-1988	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	3V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	2V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	5V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	7V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	8V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	4V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1V87	Known	01-MAY-1986	30-APR-1989	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	9V87	Known	01-MAY-1986	30-APR-1989	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
505	2344694	SOX	State Compliance achieved	01-JUN-2011	State	-
501	2344693	SOX	State Compliance achieved	15-NOV-2000	State	-
506	2344498	SOX	State Compliance achieved	03-JUN-1998	State	-
9999997	9999997	SFR	State Consent Decree/Judgement	29-JUN-1993	ODSWeb	-
2E87	5V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	8V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	9V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	4V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	3V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	2V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	1V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	State	-
2E87	7V87	SFJ	State Formal Notice of Violation issued	30-SEP-1987	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
SILVER LAKE	14005	Yes	Intake	Surface water	Permanent	Active
WELL 2	18796	Yes	Well	Ground water	Permanent	Active
WELL 4	39485	Yes	Well	Ground water under the influence of surface water	Permanent	Active
WELL 1	18794	Yes	Well	Ground water under the influence of surface water	Permanent	Active
TOWN OF DAYTON	14008	No	Distribution System/Zone	-	-	Active
KAYLOR HILL BOOSTER STATION	40501	No	Pump Facility	-	-	Active
DAYTON WTP ENTRY POINT	19238	No	Sampling Station	-	-	Active
WTP COMBINED RAW TAP	37453	No	Sampling Station	-	-	Active
200,000 GALLON ELEVATED STORAGE	39879	No	Storage	-	-	Active
DAYTON TREATMENT PLANT	4991	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
DAYTON TREATMENT PLANT	4991	Gaseous Chlorination, Post	Disinfection
DAYTON TREATMENT PLANT	4991	4-Log Treatment of Viruses	Disinfection
DAYTON TREATMENT PLANT	4991	Fluoridation	Other
DAYTON TREATMENT PLANT	4991	Filtration, Ultrafiltration	Particulate removal

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