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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, Regular	Nitrate Rule	Nitrate	2600010	Known	01-JAN-2025	31-DEC-2025	No
MCL	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	2300007	Returned to Compliance	01-OCT-2022	01-NOV-2022	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	0800006	Returned to Compliance	01-AUG-2008	31-AUG-2008	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9700005	Returned to Compliance	01-SEP-1997	30-SEP-1997	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9700004	Returned to Compliance	01-OCT-1996	31-OCT-1996	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9600003	Returned to Compliance	01-NOV-1995	30-NOV-1995	Yes

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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
2300021	2300007	SOX	State Compliance achieved	21-DEC-2022	State	-
900017	0800006	SOX	State Compliance achieved	04-MAR-2009	State	-
9800013	9700004	SOX	State Compliance achieved	29-JUL-1998	State	-
9800013	9600003	SOX	State Compliance achieved	29-JUL-1998	State	-
9800013	9700005	SOX	State Compliance achieved	29-JUL-1998	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
PORTSMOUTH WATER DEPARTMENT	7	Yes	Consecutive Connection	Surface water	Emergency	Active
BRW 5 / BAILEY BROOK 5 ///INACTIVE	5	Yes	Well	Ground water	Permanent	Inactive
BRW 7/CEDAR RUN/1000' S OF BAILEY BRK WEL	8	Yes	Well	Ground water	Permanent	Active
BRW 6/BAILEY BROOK 6	6	Yes	Well	Ground water	Permanent	Active
GPW1/GARLAND RD QTR MILE SE OF STORAG TNKS	1	Yes	Well	Ground water	Permanent	Active
TREATMENT FACILITY /GPW 1/GARLAND RD	501	No	Treatment Plant	-	-	Active
TREATMENT FAC/CEDAR BRW 008	502	No	Treatment Plant	-	-	Active
TREATMENT FAC/BAILEY BROOK 6	506	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT FACILITY /GPW 1/GARLAND RD	501	Hypochlorination, Pre	Disinfection
TREATMENT FACILITY /GPW 1/GARLAND RD	501	pH Adjustment, Post	Corrosion control
TREATMENT FAC/CEDAR BRW 008	502	Hypochlorination, Pre	Disinfection
TREATMENT FAC/BAILEY BROOK 6	506	Hypochlorination, Pre	Disinfection

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