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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	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4	Returned to Compliance	01-OCT-2020	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	3	Returned to Compliance	01-OCT-2017	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	1	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	2	Returned to Compliance	01-JUL-2010	30-SEP-2010	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
5	4	SOX	State Compliance achieved	15-OCT-2020	State	LATE Pb/Cu report - RT 2020 report rec'd 10/15/2020.
3	3	SOX	State Compliance achieved	13-OCT-2017	State	LATE REPORT - RT 2017 Pb/Cu report rec'd 10/13/17.
1	1	SOX	State Compliance achieved	27-DEC-2010	State	ENFORCEMENTID :1150644; LATE REPORT
2	2	SOX	State Compliance achieved	27-DEC-2010	State	ENFORCEMENTID :1150644; LATE REPORT

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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
CC-MD0120002-TP99	8171	Yes	Consecutive Connection	Surface water	Permanent	Active
ABERDEEN (6) HA670381	1430	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN 8 TEST WELL HA732482	1428	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN (1) HA010405	1425	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN (3) HA015239	1424	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN 4R HA941635	1418	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN 3 HA940825	1408	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN 2 HA010406	1407	Yes	Well	Ground water	Permanent	Inactive
ABERDEEN 15 HA946820	1421	Yes	Well	Ground water	Permanent	Active
ABERDEEN 12 HA944888	1417	Yes	Well	Ground water	Permanent	Active
ABERDEEN 11 HA811140	1416	Yes	Well	Ground water	Permanent	Active
ABERDEEN 10 HA734542	1415	Yes	Well	Ground water	Permanent	Active
ABERDEEN 9 HA734543	1414	Yes	Well	Ground water	Permanent	Active
ABERDEEN 8 HA734540	1413	Yes	Well	Ground water	Permanent	Active
ABERDEEN 7 HA734541	1412	Yes	Well	Ground water	Permanent	Active
ABERDEEN 6 HA930090	1411	Yes	Well	Ground water	Permanent	Active
ABERDEEN 5 HA028020	1410	Yes	Well	Ground water	Permanent	Active
ABERDEEN 4R HA028021	1409	Yes	Well	Ground water	Permanent	Active
ABERDEEN 1 HA736528	1406	Yes	Well	Ground water	Permanent	Active
ABERDEEN 7 TEST WELL HA732481	1429	Yes	Well	Ground water	Other	Inactive
ABERDEEN 9 TEST WELL HA732483	1427	Yes	Well	Ground water	Other	Inactive
ABERDEEN 10 TEST WELL HA732485	1426	Yes	Well	Ground water	Other	Inactive
CC-MD0120016-TP99	8172	Yes	Consecutive Connection	Surface water	Permanent	Active
CC-MD0120016-TP99	8173	Yes	Consecutive Connection	Surface water	Permanent	Active
CC-MD0120012-TP99	8174	Yes	Consecutive Connection	Surface water	Permanent	Active
PURCHASED HARFORD DPW	15729	No	Common Headers	-	-	Active
PURCHASED CHAPEL HILL	15727	No	Common Headers	-	-	Inactive
PURCHASED HARFORD DPW	15728	No	Common Headers	-	-	Inactive
DISTRIBUTION SYSTEM	8724	No	Distribution System/Zone	-	-	Active
OTHER SOURCES	99	No	Other	-	-	Inactive
STORAGE TANK	19013	No	Storage	-	-	Active
ABERDEEN WTP	26182	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
ABERDEEN WTP	26182	4-Log Treatment of Viruses	Disinfection
ABERDEEN WTP	26182	Inhibitor, Orthophosphate	Corrosion control
ABERDEEN WTP	26182	pH Adjustment	Corrosion control
ABERDEEN WTP	26182	Aeration, Slat Tray	Organics removal
ABERDEEN WTP	26182	Innovative	Other
ABERDEEN WTP	26182	Fluoridation	Other
ABERDEEN WTP	26182	Hypochlorination, Post	Disinfection

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