Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	WI6320333
PWS Name	ROCKLAND WATERWORKS
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	642
County Served	La Crosse

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	2600037	Returned to Compliance	01-FEB-2026	28-FEB-2026	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2600035	Known	01-JAN-2025	31-DEC-2025	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	2600034	Known	01-JAN-2025	31-DEC-2025	No
TT	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Stage 1 Disinfectants and Disinfection Byproducts Rule	2300013	Returned to Compliance	02-NOV-2022	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	1700012	Returned to Compliance	01-JUN-2017	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	1200011	Open	01-JAN-2012	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	0300010	Returned to Compliance	01-OCT-2002	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	0000009	Returned to Compliance	19-JAN-2000	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endothall	9600001	Returned to Compliance	01-APR-1996	30-JUN-1996	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	9306214	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	9306333	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	9306351	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	9306392	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	9306418	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	9306467	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	9306504	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	9306533	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	9306549	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	9306582	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	9306611	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	9306642	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	9306707	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	9306765	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	9306791	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	9306809	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	9306858	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	9306896	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	9306177	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	9305829	Known	01-JAN-1993	31-DEC-1993	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	9305858	Known	01-JAN-1993	31-DEC-1993	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
2600028	2600037	SOX	State Compliance achieved	17-MAR-2026	State	-
2600022	2600034	SIE	State Public Notification requested	24-OCT-2025	State	-
2600022	2600035	SIE	State Public Notification requested	24-OCT-2025	State	-
2300016	2300013	SOX	State Compliance achieved	22-NOV-2022	State	-
1900014	1200011	SO8	State Other	14-MAR-2019	State	-
1900013	1700012	SOX	State Compliance achieved	10-SEP-2018	State	-
0300007	0300010	SOX	State Compliance achieved	11-NOV-2002	State	-
0000005	0000009	SOX	State Compliance achieved	16-MAY-2000	State	-
9700003	9600001	SIF	State Public Notification received	11-OCT-1996	State	-
94E0041	9306533	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306549	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306582	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306611	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306642	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306707	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306765	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306791	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306809	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306858	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306896	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306504	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306467	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306418	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306392	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306351	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306333	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306214	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9306177	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9305829	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS
94E0041	9305858	SIA	State Violation/Reminder Notice	21-JAN-1994	State	VOC NON ISSD FOR ROCKLAND WATERWORKS

1 - 30 of 30

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
BG175	1	Yes	Well	Ground water	Permanent	Active
QO656	2	Yes	Well	Ground water	Permanent	Active
63203338	63203338	No	Distribution System/Zone	-	-	Active
BG175	1T	No	Treatment Plant	-	-	Active
QO656	2T	No	Treatment Plant	-	-	Active

1 - 5 of 5

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
BG175	1T	Hypochlorination, Post	Disinfection
QO656	2T	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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