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PWS ID	WI4450333
PWS Name	APPLETON WATERWORKS
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	74511
County Served	Outagamie

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 and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2600067	Known	01-APR-2026	30-JUN-2026	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	2300055	Returned to Compliance	01-JUL-2023	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2300054	Returned to Compliance	01-JUL-2023	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	1300051	Returned to Compliance	01-JUL-2013	30-SEP-2013	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	0800050	Open	27-MAY-2008	-	No
MCL	Maximum Contaminant Level Violation, Single Sample	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	0800049	Returned to Compliance	01-APR-2008	09-JAN-2009	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	0700048	Returned to Compliance	01-OCT-2006	31-DEC-2006	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	0700043	Returned to Compliance	01-OCT-2006	31-DEC-2006	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	9900033	Returned to Compliance	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endothall	9900004	Returned to Compliance	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	9900016	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	9900015	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	9900014	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	9900013	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	9900001	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	9900036	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	9900037	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	9900035	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dalapon	9900003	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	9900005	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	9900007	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	9900006	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dinoseb	9900031	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	9900030	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	9900029	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	9900028	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	9900026	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	9900025	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	9900024	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	9900023	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	9900022	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	9900020	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	9900008	Known	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Glyphosate	9900032	Returned to Compliance	01-JAN-1998	31-DEC-1998	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	9900011	Known	01-JAN-1998	31-DEC-1998	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	1400052	Returned to Compliance	30-JUN-1992	31-DEC-1992	No

1 - 36 of 36

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
2600028	2600067	SIE	State Public Notification requested	21-MAY-2026	State	-
2300023	2300054	SIA	State Violation/Reminder Notice	28-SEP-2023	State	-
2300024	2300055	SIA	State Violation/Reminder Notice	28-SEP-2023	State	-
1400020	1300051	SIF	State Public Notification received	09-JUN-2014	State	-
1100015	0800050	SO6	State Intentional no-action	22-FEB-2011	State	-
0900014	0800049	SOX	State Compliance achieved	09-JAN-2009	State	-
0700011	0700048	SIF	State Public Notification received	11-JUN-2007	State	-
0700010	0700043	SIF	State Public Notification received	11-JUN-2007	State	-
1400019	1400052	SOX	State Compliance achieved	08-MAR-2000	State	-
9900001	9900004	SOX	State Compliance achieved	07-APR-1999	State	-
9900001	9900032	SOX	State Compliance achieved	07-APR-1999	State	-
9900001	9900033	SOX	State Compliance achieved	07-APR-1999	State	-

1 - 12 of 12

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
1	1	Yes	Intake	Surface water	Permanent	Active
44503338	44503338	No	Distribution System/Zone	-	-	Active
81	81	No	Other	-	-	Active
1	1T	No	Treatment Plant	-	-	Active
81	81T	No	Treatment Plant	-	-	Active

1 - 5 of 5

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
1	1T	Permanganate	Organics removal
81	81T	Activated Carbon, Powdered	Taste / odor control
81	81T	Chloramines	Disinfection
81	81T	Coagulation	Organics removal
81	81T	Filtration, Rapid Sand	Particulate removal
81	81T	Flocculation	Organics removal
81	81T	Fluoridation	Other
81	81T	Hypochlorination, Post	Disinfection
81	81T	Hypochlorination, Pre	Disinfection
81	81T	Inhibitor, Orthophosphate	Corrosion control
81	81T	Lime - Soda Ash Addition	Inorganics removal
81	81T	Lime - Soda Ash Addition	Softening (hardness removal)
81	81T	Rapid Mix	Inorganics removal
81	81T	Sedimentation	Particulate removal
81	81T	Ultraviolet Radiation	Disinfection
81	81T	pH Adjustment, Post	Corrosion control
81	81T	Innovative	Particulate removal

1 - 17 of 17

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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