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PWS ID	MO1010342
PWS Name	HAMILTON PWS
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	1813
County Served	Caldwell

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
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	915944	Returned to Compliance	01-JAN-2024	31-MAR-2024	Yes
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	915943	Returned to Compliance	01-JUL-2022	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorite	915942	Returned to Compliance	01-MAY-2019	31-MAY-2019	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	915941	Returned to Compliance	01-OCT-2018	31-DEC-2018	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	915936	Returned to Compliance	30-SEP-2012	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915935	Returned to Compliance	01-APR-2012	30-JUN-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915934	Returned to Compliance	01-JAN-2012	31-MAR-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915933	Returned to Compliance	01-OCT-2011	31-DEC-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915931	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915929	Returned to Compliance	01-JUN-2011	30-JUN-2011	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915928	Returned to Compliance	01-MAY-2011	31-MAY-2011	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	915926	Returned to Compliance	01-OCT-2010	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915927	Returned to Compliance	01-OCT-2010	31-DEC-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915924	Returned to Compliance	01-JUL-2010	30-SEP-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915923	Returned to Compliance	01-APR-2010	30-JUN-2010	Yes
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915919	Returned to Compliance	01-JAN-2010	31-JAN-2010	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915918	Returned to Compliance	01-JAN-2010	31-JAN-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915922	Returned to Compliance	01-JAN-2010	31-MAR-2010	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915917	Returned to Compliance	01-DEC-2009	31-DEC-2009	Yes
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915916	Returned to Compliance	01-DEC-2009	31-DEC-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915920	Returned to Compliance	01-OCT-2009	31-DEC-2009	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915913	Returned to Compliance	01-AUG-2009	31-AUG-2009	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	915912	Returned to Compliance	01-JUL-2009	31-JUL-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915914	Returned to Compliance	01-JUL-2009	30-SEP-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	915915	Returned to Compliance	01-JUL-2009	30-SEP-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	915911	Returned to Compliance	01-APR-2009	30-JUN-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915910	Returned to Compliance	01-APR-2009	30-JUN-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915809	Returned to Compliance	01-JAN-2009	31-MAR-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	915909	Returned to Compliance	01-JAN-2009	31-MAR-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915609	Returned to Compliance	01-OCT-2008	31-DEC-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	915709	Returned to Compliance	01-OCT-2008	31-DEC-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	915509	Returned to Compliance	01-JUL-2008	30-SEP-2008	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	912105	Returned to Compliance	01-JAN-2005	31-MAR-2005	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	912005	Returned to Compliance	01-JAN-2004	31-MAR-2004	Yes
MCL	Maximum Contaminant Level Violation, Average	Synthetic Organic Chemicals	Atrazine	911894	Returned to Compliance	01-JAN-1994	31-DEC-1994	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	93493	Known	01-SEP-1993	30-SEP-1993	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	100193	Known	01-OCT-1992	31-OCT-1992	No

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1402	915944	SOX	State Compliance achieved	06-SEP-2024	State	System RTC per EPA RTC policy. JMJ 9/6/24;
1398	915943	SOX	State Compliance achieved	30-NOV-2022	State	CCR COMP CORR SOXD PREV VI O SKW 11-30-22
1396	915942	SIF	State Public Notification received	05-JUN-2020	State	-
1395	915941	SOX	State Compliance achieved	20-SEP-2019	State	sox per EPA RTC policy 09/20/19 PV
1386	915935	SIF	State Public Notification received	14-DEC-2012	State	-
1384	915936	SFJ	State Formal Notice of Violation issued	04-DEC-2012	State	-
1383	915934	SOX	State Compliance achieved	13-AUG-2012	State	-
1383	915933	SOX	State Compliance achieved	13-AUG-2012	State	-
1383	915931	SOX	State Compliance achieved	13-AUG-2012	State	-
1360	915929	SOX	State Compliance achieved	01-NOV-2011	State	RTC PER EPA POLICY, JLW 1NOV11;
1360	915928	SOX	State Compliance achieved	01-NOV-2011	State	RTC PER EPA POLICY, JLW 1NOV11;
1374	915926	SOX	State Compliance achieved	21-SEP-2011	State	-
1357	915923	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915927	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915924	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915709	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915809	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915909	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915910	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915911	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915914	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915915	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915920	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915922	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915609	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1357	915509	SOX	State Compliance achieved	14-JUL-2011	State	RTC PER EPA POLICY, JLW 14JUL11;
1333	915916	SOX	State Compliance achieved	30-SEP-2010	State	SOX was performed based on EPAs RTC definition. GEC first migration
1331	915912	SOX	State Compliance achieved	30-SEP-2010	State	SOX was performed based on EPAs RTC definition. GEC first migration
1336	915919	SOX	State Compliance achieved	30-SEP-2010	State	SOX was performed based on EPAs RTC definition. GEC first migration
1332	915913	SOX	State Compliance achieved	30-SEP-2010	State	SOX was performed based on EPAs RTC definition. GEC first migration
1334	915917	SOX	State Compliance achieved	30-SEP-2010	State	SOX was performed based on EPAs RTC definition. GEC first migration
1335	915918	SOX	State Compliance achieved	30-SEP-2010	State	SOX was performed based on EPAs RTC definition. GEC first migration
1005	912105	SOX	State Compliance achieved	08-SEP-2005	State	-
805	912005	SIF	State Public Notification received	24-MAR-2005	State	-
198	911894	SOX	State Compliance achieved	31-DEC-1995	State	-
393	93493	SFJ	State Formal Notice of Violation issued	05-NOV-1993	State	-
293	100193	SIE	State Public Notification requested	21-DEC-1992	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC1 LIVINGSTON PWSD#4 MO2024355	105607	Yes	Consecutive Connection	Ground water	Emergency	Active
HAMILTON LAKE	84378	Yes	Reservoir	Surface water	Permanent	Active
MARROWBONE CREEK	84380	Yes	Reservoir	Surface water	Emergency	Active
HAMILTON LAKE	84379	Yes	Intake	Surface water	Permanent	Active
MARROWBONE CREEK	84381	Yes	Intake	Surface water	Emergency	Active
CC2 DAVIESS PWSD#2 MO1021080	106827	Yes	Consecutive Connection	Surface water	Emergency	Active
DISTRIBUTION SYSTEM	85217	No	Distribution System/Zone	-	-	Active
THREE HIGH SERVICE PUMPS	105288	No	Pump Facility	-	-	Active
CHEMICAL SAMPLES	90070	No	Sampling Station	-	-	Active
HARPER ST TOWER	100974	No	Storage	-	-	Active
15K GAL CLEARWELL	105286	No	Storage	-	-	Active
85K GAL CLEARWELL	105287	No	Storage	-	-	Active
HUGHES ST TOWER	75421	No	Storage	-	-	Inactive
HAMILTON - TREATMENT PLANT	66934	No	Treatment Plant	-	-	Active

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
HAMILTON - TREATMENT PLANT	66934	Chlorine Dioxide	Disinfection by-products control
HAMILTON - TREATMENT PLANT	66934	Activated Carbon, Powdered	Disinfection by-products control
HAMILTON - TREATMENT PLANT	66934	Coagulation	Particulate removal
HAMILTON - TREATMENT PLANT	66934	Rapid Mix	Particulate removal
HAMILTON - TREATMENT PLANT	66934	Gaseous Chlorination, Pre	Disinfection
HAMILTON - TREATMENT PLANT	66934	Sedimentation	Particulate removal
HAMILTON - TREATMENT PLANT	66934	pH Adjustment, Pre	Particulate removal
HAMILTON - TREATMENT PLANT	66934	Filtration, Rapid Sand	Particulate removal
HAMILTON - TREATMENT PLANT	66934	Gaseous Chlorination, Post	Disinfection

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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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