Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	WI2460112
PWS Name	MEQUON WATER UTILITY
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	11152
County Served	Ozaukee

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
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	2000250	Returned to Compliance	01-MAY-2020	31-MAY-2020	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	1800248	Returned to Compliance	01-OCT-2018	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	1500240	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1500241	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MCL	Maximum Contaminant Level Violation, Single Sample	Inorganic Chemicals	Nickel	1100003	Returned to Compliance	01-JAN-2010	31-DEC-2010	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	0200006	Returned to Compliance	01-JUN-2002	30-JUN-2002	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	0200008	Returned to Compliance	01-APR-2001	30-SEP-2001	No
MR	Monitoring, Check/Repeat/Confirmation	Inorganic Chemicals	Fluoride	0000014	Returned to Compliance	11-JUL-2000	31-AUG-2000	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	0000003	Returned to Compliance	01-JUL-2000	-	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	0000004	Returned to Compliance	01-JAN-1999	31-DEC-1999	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9800002	Returned to Compliance	01-AUG-1998	31-AUG-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9800010	Returned to Compliance	01-OCT-1997	31-OCT-1997	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	9600001	Returned to Compliance	01-JUN-1996	30-JUN-1996	Yes
MR	Monitoring, Regular	Nitrate Rule	Nitrite	9600160	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	9600180	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	9600168	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	9600167	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	9600179	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	9600159	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	9600165	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	9600161	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	9600171	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	9600169	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	9600181	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	9600166	Returned to Compliance	01-JAN-1995	31-DEC-1995	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9500012	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9500011	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9500009	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	9400013	Returned to Compliance	01-JUL-1993	-	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	9400001	Returned to Compliance	01-JUL-1993	07-MAR-1994	No

1 - 30 of 30

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
2100067	2000250	SIF	State Public Notification received	26-MAR-2021	State	-
1900063	1800248	SOX	State Compliance achieved	28-AUG-2019	State	-
1600060	1500241	SOX	State Compliance achieved	08-OCT-2015	State	-
1600060	1500240	SOX	State Compliance achieved	08-OCT-2015	State	-
1100013	1100003	SOX	State Compliance achieved	19-SEP-2011	State	-
0200015	0200008	SOX	State Compliance achieved	14-AUG-2002	State	-
0200013	0200006	SOX	State Compliance achieved	30-JUL-2002	State	-
0200012	0000003	SOX	State Compliance achieved	28-JAN-2002	State	-
0200024	0000014	SOX	State Compliance achieved	01-OCT-2001	State	-
0000011	0000004	SOX	State Compliance achieved	01-NOV-1999	State	-
9900017	9800010	SOX	State Compliance achieved	11-FEB-1999	State	-
9800010	9800002	SOX	State Compliance achieved	18-SEP-1998	State	-
9800023	9600167	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600168	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600169	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600171	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600179	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600180	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600181	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600159	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600166	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600160	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600161	SOX	State Compliance achieved	26-NOV-1997	State	-
9800023	9600165	SOX	State Compliance achieved	26-NOV-1997	State	-
9700021	9500012	SOX	State Compliance achieved	22-SEP-1997	State	-
9700020	9500011	SOX	State Compliance achieved	22-SEP-1997	State	-
9700016	9500009	SOX	State Compliance achieved	14-OCT-1996	State	-
9600004	9600001	SIF	State Public Notification received	30-JUL-1996	State	-
94E0001	9400001	SOX	State Compliance achieved	07-MAR-1994	State	-
9400023	9400013	SOX	State Compliance achieved	31-DEC-1993	State	-

1 - 30 of 30

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
12	12	Yes	Consecutive Connection	Surface water	Permanent	Active
9	9	Yes	Well	Ground water	Permanent	Inactive
BG631	8	Yes	Well	Ground water	Permanent	Inactive
BG626	11	Yes	Well	Ground water	Permanent	Inactive
BG625	10	Yes	Well	Ground water	Permanent	Inactive
BG628	99	Yes	Well	Ground water	Emergency	Inactive
BG627	6	Yes	Well	Ground water	Emergency	Inactive
AH722	5	Yes	Well	Ground water	Emergency	Inactive
AD933	4	Yes	Well	Ground water	Emergency	Inactive
FX313	3	Yes	Well	Ground water	Emergency	Inactive
BG632	2	Yes	Well	Ground water	Emergency	Inactive
CY278	17	Yes	Well	Ground water	Emergency	Inactive
AX014	16	Yes	Well	Ground water	Emergency	Inactive
BO541	15	Yes	Well	Ground water	Emergency	Inactive
BO540	14	Yes	Well	Ground water	Emergency	Inactive
GE931	1	Yes	Well	Ground water	Emergency	Inactive
13	13	Yes	Consecutive Connection	Surface water	Permanent	Active
7	7	Yes	Consecutive Connection	Surface water	Permanent	Active
24601126	24601126	No	Distribution System/Zone	-	-	Active
BO540	14T	No	Treatment Plant	-	-	Inactive
BO541	15T	No	Treatment Plant	-	-	Inactive

1 - 21 of 21

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
BO540	14T	Hypochlorination, Post	Disinfection
BO541	15T	Hypochlorination, Post	Disinfection

1 - 2 of 2

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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