Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	OH0904012
PWS Name	HAMILTON PUBLIC WATER SYSTEM
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	62447
County Served	Butler

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
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	8489043	Open	30-DEC-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorite	8489041	Known	01-APR-2025	30-APR-2025	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	8489014	Returned to Compliance	23-DEC-2019	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	8489012	Returned to Compliance	10-JAN-2019	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorite	8488905	Returned to Compliance	01-JUN-2005	31-AUG-2005	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorite	8021505	Returned to Compliance	01-APR-2005	30-JUN-2005	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	5120502	Returned to Compliance	01-JAN-2002	30-JUN-2002	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319497	Returned to Compliance	01-SEP-1997	30-SEP-1997	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319397	Returned to Compliance	01-MAR-1997	31-MAR-1997	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319295	Returned to Compliance	01-OCT-1994	31-OCT-1994	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	319193	Returned to Compliance	01-JUL-1993	-	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319693	Returned to Compliance	01-JUN-1993	30-JUN-1993	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319792	Returned to Compliance	01-JUN-1992	30-JUN-1992	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319992	Returned to Compliance	01-MAY-1992	31-MAY-1992	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	9203198	Known	01-NOV-1991	30-NOV-1991	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	319892	Returned to Compliance	01-NOV-1991	30-NOV-1991	Yes

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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
2091229	8489043	SIA	State Violation/Reminder Notice	30-DEC-2025	State	-
2091226	8489041	SIE	State Public Notification requested	20-MAY-2025	State	-
2091217	8489014	SOX	State Compliance achieved	23-JUN-2020	State	-
2091216	8489012	SOX	State Compliance achieved	08-JUL-2019	State	Corrected in 2018 CCR - see eDoc. KW 9/1/20.
2091208	319497	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	8488905	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	8021505	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	319295	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	319397	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	319693	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	319792	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	319892	SOX	State Compliance achieved	20-FEB-2008	State	-
2091208	319992	SOX	State Compliance achieved	20-FEB-2008	State	-
82002	5120502	SIA	State Violation/Reminder Notice	20-AUG-2002	State	-
495	319193	SOX	State Compliance achieved	25-MAY-1995	State	-
9200002	9203198	SFJ	State Formal Notice of Violation issued	18-DEC-1991	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
HAMILTON PWS SOUTH WATER PLANT WELL 0022	10172	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0021	10192	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0020	10191	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0019	10190	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0018	10189	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0017	10188	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0016	10187	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0011	10186	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0010	10185	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0008	10184	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0006	10183	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0005	10182	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0004	10181	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0003	10180	Yes	Well	Ground water	Permanent	Active
HAMILTON/SOUTH WATER PLA WELL 0002	10179	Yes	Well	Ground water	Permanent	Active
HAMILTON/NORTH WATER PLA WELL 0008	10178	Yes	Well	Ground water	Permanent	Active
HAMILTON/NORTH WATER PLA WELL 0007	10177	Yes	Well	Ground water	Permanent	Active
HAMILTON/NORTH WATER PLA WELL 0006	10176	Yes	Well	Ground water	Permanent	Active
HAMILTON/NORTH WATER PLA WELL 0005	10175	Yes	Well	Ground water	Permanent	Active
HAMILTON/NORTH WATER PLA WELL 0003	10174	Yes	Well	Ground water	Permanent	Active
HAMILTON PWS SOUTH WATER PLANT WELL 0023	10173	Yes	Well	Ground water	Permanent	Active
HAMILTON PWS DISTRIBUTION	23405	No	Distribution System/Zone	-	-	Active
EAST RESERVOIR BOOSTER STATION	32168	No	Other	-	-	Inactive
WASHINGTON BLVD. BOOSTER STATION	32171	No	Pressure Control	-	-	Active
ANNIE LOU BOOSTER STATION	32167	No	Pump Facility	-	-	Active
ENTERPRISE PARK BOOSTER STATION	32169	No	Pump Facility	-	-	Active
NEW LONDON BOOSTER STATION	32170	No	Pump Facility	-	-	Active
WEST RESERVOIR BOOSTER STATION	32173	No	Pump Facility	-	-	Active
Hamilton North WTP P01	80267	No	Sampling Station	-	-	Inactive
Hamilton South WTP P02	80288	No	Sampling Station	-	-	Inactive
EAST RESERVOIR	32160	No	Storage	-	-	Active
EAST RESERVOIR ELEVATED	32161	No	Storage	-	-	Active
EATON ROAD ELEVATED TANK	32162	No	Storage	-	-	Active
RIGEFIELD STANDPIPE	32163	No	Storage	-	-	Active
WASSERMAN ROAD ELEVATED TANK	32164	No	Storage	-	-	Active
WEST RESERVOIR	32165	No	Storage	-	-	Active
WEST RESERVOIR ELEVATED TANK	32166	No	Storage	-	-	Active
HAMILTON PWS NORTH PLANT	1790	No	Treatment Plant	-	-	Active
HAMILTON PWS SOUTH WATER PLANT	1791	No	Treatment Plant	-	-	Active

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
HAMILTON PWS NORTH PLANT	1790	Chlorine Dioxide	Disinfection
HAMILTON PWS NORTH PLANT	1790	Filtration, Rapid Sand	Particulate removal
HAMILTON PWS NORTH PLANT	1790	Innovative	Softening (hardness removal)
HAMILTON PWS NORTH PLANT	1790	Aeration, Diffused	Particulate removal
HAMILTON PWS NORTH PLANT	1790	Lime - Soda Ash Addition	Softening (hardness removal)
HAMILTON PWS NORTH PLANT	1790	Lime - Soda Ash Addition	Corrosion control
HAMILTON PWS NORTH PLANT	1790	Fluoridation	Other
HAMILTON PWS NORTH PLANT	1790	Innovative	Corrosion control
HAMILTON PWS NORTH PLANT	1790	Flocculation	Particulate removal
HAMILTON PWS SOUTH WATER PLANT	1791	Filtration, Rapid Sand	Particulate removal
HAMILTON PWS SOUTH WATER PLANT	1791	Chlorine Dioxide	Disinfection
HAMILTON PWS SOUTH WATER PLANT	1791	Innovative	Softening (hardness removal)
HAMILTON PWS SOUTH WATER PLANT	1791	Aeration, Diffused	Particulate removal
HAMILTON PWS SOUTH WATER PLANT	1791	Lime - Soda Ash Addition	Softening (hardness removal)
HAMILTON PWS SOUTH WATER PLANT	1791	Lime - Soda Ash Addition	Corrosion control
HAMILTON PWS SOUTH WATER PLANT	1791	Innovative	Corrosion control
HAMILTON PWS SOUTH WATER PLANT	1791	Fluoridation	Other

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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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