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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	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	9300101	Returned to Compliance	01-JUL-1993	14-JUN-1994	No
Other	Notification, Public	Miscellaneous Other Rules	-	9100100	Known	02-DEC-1990	01-JAN-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	8013844	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	8013843	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	8013840	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	8013838	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	8013837	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	8013839	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	8013836	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	8013842	Known	01-JUL-1979	30-JUN-1980	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	8015478	Known	01-JUL-1976	30-JUN-1980	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8015477	Known	01-JUL-1976	30-JUN-1980	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
9300004	9300101	SOX	State Compliance achieved	14-JUN-1994	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
CITY OF LEAD	009	Yes	Consecutive Connection	Surface water	Emergency	Inactive
CEMETERY WELL	011	Yes	Well	Ground water	Permanent	Active
CUTTING MINE	002	Yes	Well	Ground water	Other	Inactive
LEAD-DEADWOOD SANITARY DISTRICT	003	Yes	Consecutive Connection	Surface water	Permanent	Active
1 GS 572K-DEADWOOD HILL	004	No	Storage	-	-	Active
1 SS 500K-MCGOVERN	005	No	Storage	-	-	Active
1 SS 400K-MCGOVERN	006	No	Storage	-	-	Active
1 GS 340K-ROOSEVELT	007	No	Storage	-	-	Active
1 SS 208K-PLUMA	008	No	Storage	-	-	Active
1 SS 388K-PLUMA	010	No	Storage	-	-	Active
PS AT CEMETERY WELL	012	No	Storage	-	-	Active
TREAT-CUTTING MINE	001	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREAT-CUTTING MINE	001	Gaseous Chlorination, Post	Disinfection

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