Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MS0170022
PWS Name	CITY OF HORN LAKE
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	13649
County Served	DeSoto

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.

Violations

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	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7108209	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7108509	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7108809	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7107909	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7108009	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7108609	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7108409	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7108109	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7108709	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7108309	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7107709	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7107809	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7107009	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7107309	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7106709	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7107609	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7107109	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7107209	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7106509	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7106809	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7107409	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7106909	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7106609	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7107509	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7106209	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7105509	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7105809	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7106109	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7106409	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7105609	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7105309	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7105409	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7106309	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7106009	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7105709	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7105909	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7104109	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7105009	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7104809	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7105109	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7104509	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7104709	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7105209	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7104909	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7104309	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7104609	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7104409	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	7104209	Returned to Compliance	01-OCT-2007	31-DEC-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7103808	Returned to Compliance	01-JUL-2007	30-SEP-2007	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7102908	Returned to Compliance	01-JUL-2007	30-SEP-2007	No

1 - 50 of 90

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
7111109	7106909	SIF	State Public Notification received	26-JUN-2009	State	-
7111109	7107009	SIF	State Public Notification received	26-JUN-2009	State	-
7111209	7107109	SIF	State Public Notification received	26-JUN-2009	State	-
7111209	7107209	SIF	State Public Notification received	26-JUN-2009	State	-
7111209	7107309	SIF	State Public Notification received	26-JUN-2009	State	-
7111309	7107409	SIF	State Public Notification received	26-JUN-2009	State	-
7111309	7107509	SIF	State Public Notification received	26-JUN-2009	State	-
7111309	7107609	SIF	State Public Notification received	26-JUN-2009	State	-
7111409	7107709	SIF	State Public Notification received	26-JUN-2009	State	-
7111409	7107809	SIF	State Public Notification received	26-JUN-2009	State	-
7111409	7107909	SIF	State Public Notification received	26-JUN-2009	State	-
7111509	7108009	SIF	State Public Notification received	26-JUN-2009	State	-
7111509	7108109	SIF	State Public Notification received	26-JUN-2009	State	-
7111509	7108209	SIF	State Public Notification received	26-JUN-2009	State	-
7111609	7108309	SIF	State Public Notification received	26-JUN-2009	State	-
7111609	7108409	SIF	State Public Notification received	26-JUN-2009	State	-
7111609	7108509	SIF	State Public Notification received	26-JUN-2009	State	-
7111709	7108609	SIF	State Public Notification received	26-JUN-2009	State	-
7111709	7108709	SIF	State Public Notification received	26-JUN-2009	State	-
7111709	7108809	SIF	State Public Notification received	26-JUN-2009	State	-
7109009	7100508	SIF	State Public Notification received	26-JUN-2009	State	-
7109009	7100608	SIF	State Public Notification received	26-JUN-2009	State	-
7109009	7100708	SIF	State Public Notification received	26-JUN-2009	State	-
7109109	7100808	SIF	State Public Notification received	26-JUN-2009	State	-
7109109	7100908	SIF	State Public Notification received	26-JUN-2009	State	-
7109109	7101008	SIF	State Public Notification received	26-JUN-2009	State	-
7109209	7101108	SIF	State Public Notification received	26-JUN-2009	State	-
7109209	7101208	SIF	State Public Notification received	26-JUN-2009	State	-
7109209	7101308	SIF	State Public Notification received	26-JUN-2009	State	-
7109309	7101408	SIF	State Public Notification received	26-JUN-2009	State	-
7109309	7101508	SIF	State Public Notification received	26-JUN-2009	State	-
7109309	7101608	SIF	State Public Notification received	26-JUN-2009	State	-
7109409	7101708	SIF	State Public Notification received	26-JUN-2009	State	-
7109409	7101808	SIF	State Public Notification received	26-JUN-2009	State	-
7109409	7101908	SIF	State Public Notification received	26-JUN-2009	State	-
7109509	7102008	SIF	State Public Notification received	26-JUN-2009	State	-
7109509	7102108	SIF	State Public Notification received	26-JUN-2009	State	-
7109509	7102208	SIF	State Public Notification received	26-JUN-2009	State	-
7109609	7102308	SIF	State Public Notification received	26-JUN-2009	State	-
7109609	7102408	SIF	State Public Notification received	26-JUN-2009	State	-
7109609	7102508	SIF	State Public Notification received	26-JUN-2009	State	-
7109709	7102608	SIF	State Public Notification received	26-JUN-2009	State	-
7109709	7102708	SIF	State Public Notification received	26-JUN-2009	State	-
7109709	7102808	SIF	State Public Notification received	26-JUN-2009	State	-
7109809	7102908	SIF	State Public Notification received	26-JUN-2009	State	-
7109809	7103008	SIF	State Public Notification received	26-JUN-2009	State	-
7109809	7103108	SIF	State Public Notification received	26-JUN-2009	State	-
7109909	7103208	SIF	State Public Notification received	26-JUN-2009	State	-
7109909	7103308	SIF	State Public Notification received	26-JUN-2009	State	-
7109909	7103408	SIF	State Public Notification received	26-JUN-2009	State	-

1 - 50 of 90

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL WL001	34641	Yes	Well	Ground water	Permanent	Active
WELL WL008	34651	Yes	Well	Ground water	Permanent	Inactive
WELL WL007	34650	Yes	Well	Ground water	Permanent	Inactive
WELL WL006	34649	Yes	Well	Ground water	Permanent	Inactive
WELL WL005	34648	Yes	Well	Ground water	Permanent	Inactive
WELL WL004	39447	Yes	Well	Ground water	Permanent	Active
WELL WL003	34643	Yes	Well	Ground water	Permanent	Active
WELL WL002	34642	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION DS000	37782	No	Distribution System/Zone	-	-	Active
STAGE 2 DBP	43938	No	Distribution System/Zone	-	-	Active
300K GAL ELEVATED TANK - HURT RD	42306	No	Storage	-	-	Active
1MG ELEVAETD TANK - CITY HALL	42307	No	Storage	-	-	Active
TREATMENT FACILITY TF080	31269	No	Treatment Plant	-	-	Active
TREATMENT FACILITY TF081	31270	No	Treatment Plant	-	-	Active
TREATMENT FACILITY TF082	31271	No	Treatment Plant	-	-	Active
TREATMENT FACILITY TF083	39448	No	Treatment Plant	-	-	Active
TREATMENT FACILITY TF084	31274	No	Treatment Plant	-	-	Inactive
TREATMENT FACILITY TF085	31275	No	Treatment Plant	-	-	Inactive

1 - 18 of 18

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT FACILITY TF080	31269	Lime - Soda Ash Addition	Corrosion control
TREATMENT FACILITY TF080	31269	Inhibitor, Polyphosphate	Corrosion control
TREATMENT FACILITY TF080	31269	Gaseous Chlorination, Post	Disinfection
TREATMENT FACILITY TF080	31269	Fluoridation	Other
TREATMENT FACILITY TF081	31270	Lime - Soda Ash Addition	Corrosion control
TREATMENT FACILITY TF081	31270	Inhibitor, Polyphosphate	Corrosion control
TREATMENT FACILITY TF081	31270	Aeration, Packed Tower	Corrosion control
TREATMENT FACILITY TF081	31270	Gaseous Chlorination, Post	Disinfection
TREATMENT FACILITY TF081	31270	Fluoridation	Other
TREATMENT FACILITY TF082	31271	Lime - Soda Ash Addition	Corrosion control
TREATMENT FACILITY TF082	31271	Inhibitor, Polyphosphate	Corrosion control
TREATMENT FACILITY TF082	31271	Aeration, Packed Tower	Corrosion control
TREATMENT FACILITY TF082	31271	Gaseous Chlorination, Post	Disinfection
TREATMENT FACILITY TF082	31271	Fluoridation	Other
TREATMENT FACILITY TF083	39448	Aeration, Packed Tower	Corrosion control
TREATMENT FACILITY TF083	39448	Fluoridation	Other

1 - 16 of 16

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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