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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 Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	3189100	Returned to Compliance	01-OCT-2021	-	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	3189099	Returned to Compliance	01-JUL-2016	31-JUL-2016	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3189097	Returned to Compliance	01-JUL-2014	30-SEP-2014	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3189096	Returned to Compliance	01-MAY-1996	31-MAY-1996	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	293	Returned to Compliance	01-JAN-1993	30-JUN-1993	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	2441893	Returned to Compliance	01-JAN-1993	-	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	193	Returned to Compliance	01-JUL-1992	21-SEP-1994	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
1442910	3189100	SOX	State Compliance achieved	03-FEB-2022	State	-
1442908	3189099	SIF	State Public Notification received	10-JUN-2017	State	-
1442904	3189097	SOX	State Compliance achieved	01-JAN-2015	State	-
1442896	3189096	SOX	State Compliance achieved	10-DEC-1996	State	-
294	193	EOX	Federal Compliance achieved	21-SEP-1994	ODSWeb	-
294	293	EOX	Federal Compliance achieved	21-SEP-1994	ODSWeb	-
871393	2441893	SOX	State Compliance achieved	10-JUL-1994	State	-

• 1 - 7 of 7

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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
4610002 ROCK HILL CITY OF (P46101)	9313	Yes	Consecutive Connection	Surface water	Permanent	Active
CATAWBA RIVER (S46105)	9312	Yes	Intake	Surface water	Other	Inactive
DISTRIBUTION	10989	No	Distribution System/Zone	-	-	Active
DOBYS TANK	18911	No	Storage	-	-	Active
BASS STREET TANK	18912	No	Storage	-	-	Active
TOWN OF FT MILL 1	9522	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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