Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	IL0670500
PWS Name	NAUVOO
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	1200
County Served	Hancock

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	7133099	Returned to Compliance	01-MAY-2025	31-MAY-2025	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chloramine	7133100	Returned to Compliance	01-MAY-2025	31-MAY-2025	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7133097	Returned to Compliance	11-JUL-2024	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	7133094	Returned to Compliance	01-OCT-2023	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	7133092	Returned to Compliance	01-APR-2023	30-JUN-2023	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7133090	Returned to Compliance	01-JUL-2021	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7133087	Returned to Compliance	01-JUL-2010	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7133086	Returned to Compliance	01-APR-2009	30-JUN-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7133085	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)	7133084	Returned to Compliance	01-OCT-2008	31-DEC-2008	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7133082	Returned to Compliance	15-AUG-2008	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7133083	Returned to Compliance	01-JUL-2008	30-SEP-2008	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	7133047	Returned to Compliance	01-JUN-2008	30-JUN-2008	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	7133011	Returned to Compliance	01-APR-2008	30-JUN-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7133010	Returned to Compliance	01-APR-2008	30-JUN-2008	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chloramine	7133046	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	7133069	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	7133048	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	7133049	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	7133050	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	7133051	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dalapon	7133052	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	7133053	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endothall	7133054	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	7133055	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	7133056	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	7133057	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	7133058	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	7133059	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dinoseb	7133060	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	7133061	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	7133062	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	7133063	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	7133064	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	7133079	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	7133078	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	7133080	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	7133075	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	7133074	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	7133073	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	7133072	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	7133071	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	7133077	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	7133068	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	7133067	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	7133066	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	7133065	Returned to Compliance	01-JAN-2008	30-JUN-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chloramine	7133009	Returned to Compliance	01-JUL-2007	30-SEP-2007	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chloramine	7133008	Returned to Compliance	01-APR-2007	30-JUN-2007	No
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	7133007	Returned to Compliance	01-DEC-2006	31-DEC-2006	Yes

1 - 50 of 95

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9898572	7133099	SIE	State Public Notification requested	22-AUG-2025	State	-
9898574	7133100	SIE	State Public Notification requested	22-AUG-2025	State	-
9898570	7133092	SIF	State Public Notification received	01-OCT-2024	State	-
9898567	7133094	SIF	State Public Notification received	01-OCT-2024	State	-
9898569	7133097	SOX	State Compliance achieved	25-SEP-2024	State	-
9898552	7133090	SIA	State Violation/Reminder Notice	22-JUL-2021	State	-
9898549	7133087	SOX	State Compliance achieved	22-JUN-2011	State	-
9898547	7133083	SOX	State Compliance achieved	30-SEP-2009	State	RAA = 55 ug/L RTC 2009Q3
9898547	7133084	SOX	State Compliance achieved	30-SEP-2009	State	RAA = 55 ug/L RTC 2009Q3
9898547	7133085	SOX	State Compliance achieved	30-SEP-2009	State	RAA = 55 ug/L RTC 2009Q3
9898547	7133010	SOX	State Compliance achieved	30-SEP-2009	State	RAA = 55 ug/L RTC 2009Q3
9898547	7133086	SOX	State Compliance achieved	30-SEP-2009	State	RAA = 55 ug/L RTC 2009Q3
9898537	7133011	SFK	State Bilateral Compliance Agreement signed	19-NOV-2008	State	-
9898532	7133082	SIA	State Violation/Reminder Notice	11-SEP-2008	State	-
9898529	7133048	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133080	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133079	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133078	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133077	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133075	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133074	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133073	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133049	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133050	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133051	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133052	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133053	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133054	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133055	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133056	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133057	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133058	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133059	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133060	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133061	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133062	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133063	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133064	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133065	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133066	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133067	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133068	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133069	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133071	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898529	7133072	SOX	State Compliance achieved	04-AUG-2008	State	results arrived late
9898525	7133046	SOX	State Compliance achieved	23-JUL-2008	State	results received
9898525	7133047	SOX	State Compliance achieved	23-JUL-2008	State	results received
9898518	7133008	SIF	State Public Notification received	16-JUL-2008	State	-
9898512	7133009	SOX	State Compliance achieved	19-SEP-2007	State	-
9898507	7132707	SIF	State Public Notification received	23-JAN-2007	State	-

1 - 50 of 85

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
INTAKE (52102) MISSISSIPPI RIVER	25552	Yes	Intake	Surface water	Permanent	Active
NAUVOO	23805	No	Distribution System/Zone	-	-	Active
IDSE	35567	No	Distribution System/Zone	-	-	Active
CHILD CARE FACILITY LEAD SAMPLING	46616	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	46617	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27464	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29886	No	Sampling Station	-	-	Active
SSIN52102	33619	No	Sampling Station	-	-	Active
LT2 SAMPLING STATION	35281	No	Sampling Station	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11214	No	Storage	-	-	Active
TP 01-AT WTP	15515	No	Treatment Plant	-	-	Active

1 - 11 of 11

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-AT WTP	15515	Fluoridation	Other
TP 01-AT WTP	15515	Rapid Mix	Disinfection by-products control
TP 01-AT WTP	15515	Rapid Mix	Particulate removal
TP 01-AT WTP	15515	Chloramines	Disinfection
TP 01-AT WTP	15515	Inhibitor, Orthophosphate	Corrosion control
TP 01-AT WTP	15515	pH Adjustment, Post	Disinfection by-products control
TP 01-AT WTP	15515	Coagulation	Particulate removal
TP 01-AT WTP	15515	Coagulation	Particulate removal
TP 01-AT WTP	15515	Coagulation	Particulate removal
TP 01-AT WTP	15515	Hypochlorination, Post	Disinfection
TP 01-AT WTP	15515	Coagulation	Disinfection by-products control
TP 01-AT WTP	15515	Flocculation	Disinfection by-products control
TP 01-AT WTP	15515	Rapid Mix	Disinfection by-products control
TP 01-AT WTP	15515	Filtration, Rapid Sand	Disinfection by-products control
TP 01-AT WTP	15515	Fluoridation	Disinfection
TP 01-AT WTP	15515	Sedimentation	Disinfection by-products control
TP 01-AT WTP	15515	Filtration, Rapid Sand	Iron removal
TP 01-AT WTP	15515	Permanganate	Iron removal
TP 01-AT WTP	15515	Sedimentation	Iron removal
TP 01-AT WTP	15515	Flocculation	Particulate removal
TP 01-AT WTP	15515	Filtration, Rapid Sand	Particulate removal
TP 01-AT WTP	15515	Sedimentation	Particulate removal

1 - 22 of 22

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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