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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
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4869132	Returned to Compliance	01-OCT-2023	31-DEC-2023	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4869114	Returned to Compliance	01-OCT-2012	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4868804	Returned to Compliance	01-JUL-2003	30-SEP-2003	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4849803	Returned to Compliance	01-JUN-2003	30-JUN-2003	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4819403	Returned to Compliance	01-SEP-2002	30-SEP-2002	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	3230996	Returned to Compliance	01-OCT-1996	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	2466193	Returned to Compliance	01-JUL-1993	30-SEP-1993	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	2466093	Returned to Compliance	01-APR-1993	30-JUN-1993	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	2474493	Returned to Compliance	01-JAN-1993	31-JAN-1993	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	2474693	Returned to Compliance	01-JAN-1993	31-JAN-1993	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	2474393	Returned to Compliance	01-JAN-1993	31-JAN-1993	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	2465993	Returned to Compliance	01-JAN-1993	31-MAR-1993	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	2474793	Returned to Compliance	01-JAN-1993	31-JAN-1993	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	2475093	Returned to Compliance	01-JAN-1993	31-JAN-1993	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1871492	Known	01-FEB-1992	29-FEB-1992	No
MCL	Maximum Contaminant Level Violation, Average	Former Total Trihalomethane Rule	TTHM	2006386	Known	03-SEP-1986	02-SEP-1987	Yes
MCL	Maximum Contaminant Level Violation, Average	Former Total Trihalomethane Rule	TTHM	2001185	Known	01-JUL-1985	30-SEP-1985	Yes
MCL	Maximum Contaminant Level Violation, Average	Former Total Trihalomethane Rule	TTHM	184	Known	20-SEP-1984	19-SEP-1985	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
2642913	4869132	SOX	State Compliance achieved	29-MAR-2024	State	-
2642906	4869114	SIE	State Public Notification requested	04-MAR-2016	State	-
2624604	4868804	SOX	State Compliance achieved	26-FEB-2004	State	-
2642903	4849803	SOX	State Compliance achieved	01-DEC-2003	State	-
2429103	4819403	SOX	State Compliance achieved	27-MAR-2003	State	-
2642904	3230996	SOX	State Compliance achieved	31-DEC-2000	State	-
909093	2475093	SOX	State Compliance achieved	10-JAN-1994	State	-
909093	2474793	SOX	State Compliance achieved	10-JAN-1994	State	-
909093	2474493	SOX	State Compliance achieved	10-JAN-1994	State	-
909093	2474393	SOX	State Compliance achieved	10-JAN-1994	State	-
909093	2465993	SOX	State Compliance achieved	10-JAN-1994	State	-
909093	2474693	SOX	State Compliance achieved	10-JAN-1994	State	-
909293	2466193	SOX	State Compliance achieved	10-OCT-1993	State	-
909193	2466093	SOX	State Compliance achieved	10-JUL-1993	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
SAVANNAH RIVER - PURRYSBURG (S27001)	16669	Yes	Intake	Surface water	Permanent	Active
51 OLD PALMETTO BLUFF RD - BLUFFTON	17100	Yes	Well	Ground water	Seasonal	Inactive
785 ROBERT SMALLS PARKWAY	17099	Yes	Well	Ground water	Seasonal	Inactive
ASR 1 - CHELSEA WTP	17098	Yes	Well	Ground water	Seasonal	Inactive
WELL (G07185) ROSE HILL WELL 1 BLFTN 4	696	Yes	Well	Ground water	Permanent	Active
WELL (G07314) ROSE HILL WELL 3	694	Yes	Well	Ground water	Permanent	Active
WELL (G07315) BLUFFTON WELL 3	690	Yes	Well	Ground water	Permanent	Active
WELL (G07138) BLUFFTON WELL 2	689	Yes	Well	Ground water	Permanent	Active
WELL (G07406) HWY 170 SHADY OAKS	17359	Yes	Well	Ground water	Permanent	Active
WELL (G07405) RD 34 NEAR FOREST (CELV)	17357	Yes	Well	Ground water	Permanent	Active
WELL (G27105) HARDEEVILLE WELL 3	16790	Yes	Well	Ground water	Permanent	Active
WELL (G07186) ROSE HILL WELL 2	695	Yes	Well	Ground water	Other	Inactive
BURTON -REC PARK (N)	693	Yes	Well	Ground water	Other	Inactive
WELL 5(G07105) WIN MAR UTILITIES	692	Yes	Well	Ground water	Other	Inactive
WELL 4(G07104) TENNIS CT	691	Yes	Well	Ground water	Other	Inactive
WELL 1(G07101) PINE COURT	688	Yes	Well	Ground water	Other	Inactive
WELL (G07407) SCAD EQUESTRIAN	17361	Yes	Well	Ground water	Emergency	Inactive
WELL (G07393) HARDEEVILLE 2 (LUMBRYD)	16004	Yes	Well	Ground water	Emergency	Inactive
SAVANNAH RIVER - CHELSEA (S07101)	8403	Yes	Intake	Surface water	Permanent	Active
DISTRIBUTION	9810	No	Distribution System/Zone	-	-	Active
PURRYSBURG WTP (A07018)	11185	No	Treatment Plant	-	-	Active
PLANT (B07053) WELL (G27105) AT I-95	16909	No	Treatment Plant	-	-	Active
PLANT (B07057) WELL (G07405) RD 34	17358	No	Treatment Plant	-	-	Active
PLANT WELL (G07406) HWY 170 SHADY OAKS	17360	No	Treatment Plant	-	-	Active
PLANT WELL (G07407) SCAD EQUESTRIAN	17362	No	Treatment Plant	-	-	Active
PLANT ROSE HILL WELL 3 (G07314)	17709	No	Treatment Plant	-	-	Active
BLUFFTON WELL 3 (G07315) PLANT (B07065)	17710	No	Treatment Plant	-	-	Active
ROSE HILL WELL PLANT #1 (B07067)	18054	No	Treatment Plant	-	-	Active
CHELSEA WTP (A07001)	7056	No	Treatment Plant	-	-	Active
WELL (G07393) HARDEEVILLE 2 PLANT	17711	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
PURRYSBURG WTP (A07018)	11185	Chloramines	Disinfection by-products control
PURRYSBURG WTP (A07018)	11185	Hypochlorination, Post	Disinfection
PURRYSBURG WTP (A07018)	11185	Inhibitor, Orthophosphate	Corrosion control
PURRYSBURG WTP (A07018)	11185	pH Adjustment	Corrosion control
PURRYSBURG WTP (A07018)	11185	Coagulation	Particulate removal
PURRYSBURG WTP (A07018)	11185	Rapid Mix	Particulate removal
PURRYSBURG WTP (A07018)	11185	Sedimentation	Particulate removal
PURRYSBURG WTP (A07018)	11185	Fluoridation	Other
PURRYSBURG WTP (A07018)	11185	Activated Carbon, Powdered	Taste / odor control
PURRYSBURG WTP (A07018)	11185	Filtration, Rapid Sand	Particulate removal
PURRYSBURG WTP (A07018)	11185	Flocculation	Particulate removal
PURRYSBURG WTP (A07018)	11185	Hypochlorination, Pre	Disinfection
PLANT (B07053) WELL (G27105) AT I-95	16909	Gaseous Chlorination, Post	Disinfection
PLANT (B07057) WELL (G07405) RD 34	17358	Gaseous Chlorination, Post	Disinfection
PLANT WELL (G07406) HWY 170 SHADY OAKS	17360	Gaseous Chlorination, Post	Disinfection
PLANT WELL (G07407) SCAD EQUESTRIAN	17362	Hypochlorination, Post	Disinfection
PLANT ROSE HILL WELL 3 (G07314)	17709	Chloramines	Disinfection by-products control
PLANT ROSE HILL WELL 3 (G07314)	17709	Gaseous Chlorination, Post	Disinfection
BLUFFTON WELL 3 (G07315) PLANT (B07065)	17710	Chloramines	Disinfection by-products control
BLUFFTON WELL 3 (G07315) PLANT (B07065)	17710	Gaseous Chlorination, Post	Disinfection
WELL (G07393) HARDEEVILLE 2 PLANT	17711	Gaseous Chlorination, Post	Disinfection
ROSE HILL WELL PLANT #1 (B07067)	18054	Chloramines	Disinfection
ROSE HILL WELL PLANT #1 (B07067)	18054	Gaseous Chlorination, Post	Disinfection
ROSE HILL WELL PLANT #1 (B07067)	18054	Ion Exchange	Softening (hardness removal)
CHELSEA WTP (A07001)	7056	Algae Control	Disinfection by-products control
CHELSEA WTP (A07001)	7056	Inhibitor, Hexametaphosphate	Corrosion control
CHELSEA WTP (A07001)	7056	Chloramines	Disinfection by-products control
CHELSEA WTP (A07001)	7056	Coagulation	Particulate removal
CHELSEA WTP (A07001)	7056	Gaseous Chlorination, Pre	Disinfection
CHELSEA WTP (A07001)	7056	Chloramines	Disinfection
CHELSEA WTP (A07001)	7056	pH Adjustment, Post	Corrosion control
CHELSEA WTP (A07001)	7056	Fluoridation	Other
CHELSEA WTP (A07001)	7056	Activated Carbon, Powdered	Taste / odor control
CHELSEA WTP (A07001)	7056	pH Adjustment, Pre	Particulate removal
CHELSEA WTP (A07001)	7056	Sludge Treatment	Particulate removal
CHELSEA WTP (A07001)	7056	Sedimentation	Particulate removal
CHELSEA WTP (A07001)	7056	Rapid Mix	Particulate removal
CHELSEA WTP (A07001)	7056	Flocculation	Particulate removal
CHELSEA WTP (A07001)	7056	Filtration, Rapid Sand	Particulate removal

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