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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	IL0990200
PWS Name	GRAND RIDGE
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	515
County Served	LaSalle

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
RPT	Notification, Known or Potential LSL	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	7046519	Open	02-JUL-2025	-	No
RPT	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	7046518	Returned to Compliance	17-OCT-2024	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7046516	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7046515	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7046513	Returned to Compliance	01-AUG-2021	31-OCT-2021	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7046514	Returned to Compliance	01-AUG-2021	31-OCT-2021	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	7046510	Returned to Compliance	01-JAN-2019	31-MAR-2019	Yes
MR	Monitoring, Regular	Arsenic Rule	Arsenic	7046508	Returned to Compliance	01-OCT-2017	31-DEC-2017	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7046507	Returned to Compliance	09-JUN-2017	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7046506	Returned to Compliance	01-APR-2017	30-JUN-2017	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7046505	Returned to Compliance	12-JAN-2014	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7046504	Returned to Compliance	12-OCT-2013	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7046503	Returned to Compliance	01-JUL-2013	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	7046497	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	7046496	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	7046498	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	7046493	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	7046492	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	7046491	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	7046490	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	7046489	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	7046495	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	7046487	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	7046486	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	7046485	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	7046484	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	7046483	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	7046482	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	7046481	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	7046480	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	7046479	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dinoseb	7046478	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	7046477	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	7046476	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	7046475	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	7046474	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	7046473	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endothall	7046472	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	7046471	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dalapon	7046470	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	7046469	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	7046468	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	7046467	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	7046466	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	7046500	Returned to Compliance	01-JAN-2012	31-DEC-2012	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	7046431	Returned to Compliance	01-OCT-2011	31-DEC-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	7046430	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	7046429	Returned to Compliance	01-APR-2011	30-JUN-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	7046428	Returned to Compliance	01-JAN-2011	31-MAR-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	7046427	Returned to Compliance	01-OCT-2010	31-DEC-2010	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
2026	7046518	SOX	State Compliance achieved	20-AUG-2025	State	-
2025	7046519	SIE	State Public Notification requested	03-JUL-2025	State	-
2021	7046515	SIF	State Public Notification received	18-MAR-2024	State	-
2021	7046516	SIF	State Public Notification received	18-MAR-2024	State	-
2017	7046513	SIF	State Public Notification received	29-JUN-2022	State	-
2017	7046514	SIF	State Public Notification received	29-JUN-2022	State	-
2012	7046510	SOX	State Compliance achieved	10-OCT-2019	State	-
2005	7046508	SOX	State Compliance achieved	24-JAN-2018	State	Sample was collected 12/27/17. Results submitted to IEPA on 1/24/28. NoPN letter sent to the PWS. pc 1/24/18
2002	7046506	SFK	State Bilateral Compliance Agreement signed	30-AUG-2017	State	-
2000	7046507	SIA	State Violation/Reminder Notice	12-JUL-2017	State	-
1994	7046504	SFJ	State Formal Notice of Violation issued	01-APR-2014	State	-
1994	7046505	SFJ	State Formal Notice of Violation issued	01-APR-2014	State	-
1993	7046466	SIF	State Public Notification received	29-MAR-2014	State	-
1991	7046500	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046498	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046497	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046496	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046495	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046493	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046492	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046491	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046490	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046489	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046487	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046486	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046485	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046484	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046483	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046482	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046481	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046480	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046479	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046478	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046477	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046476	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046475	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046474	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046473	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046472	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046467	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046468	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046469	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046470	SIF	State Public Notification received	29-MAR-2014	State	-
1993	7046471	SIF	State Public Notification received	29-MAR-2014	State	-
1987	7046503	SOX	State Compliance achieved	01-AUG-2013	State	-
1976	7046431	SIF	State Public Notification received	02-APR-2012	State	-
1977	7046421	SOX	State Compliance achieved	14-FEB-2012	State	Treatment installed and TP02 no longer sampled. New EPTDS TP03 begins M&R 2012Q1.
1977	7046420	SOX	State Compliance achieved	14-FEB-2012	State	Treatment installed and TP02 no longer sampled. New EPTDS TP03 begins M&R 2012Q1.
1977	7046419	SOX	State Compliance achieved	14-FEB-2012	State	Treatment installed and TP02 no longer sampled. New EPTDS TP03 begins M&R 2012Q1.
1977	7046417	SOX	State Compliance achieved	14-FEB-2012	State	Treatment installed and TP02 no longer sampled. New EPTDS TP03 begins M&R 2012Q1.

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL 1 (11459) ABANDONED	19379	Yes	Well	Ground water	Other	Inactive
WELL 4 (01840)	35059	Yes	Well	Ground water	Permanent	Active
WELL 3 (11460)	19380	Yes	Well	Ground water	Permanent	Active
GRAND RIDGE	24263	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	46741	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27922	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	30344	No	Sampling Station	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11387	No	Storage	-	-	Active
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	No	Treatment Plant	-	-	Active
TP 01-WELL 1 (INACTIVE)	16260	No	Treatment Plant	-	-	Inactive
TP 02-WELL 3 (INACTIVE)	16261	No	Treatment Plant	-	-	Inactive

1 - 11 of 11

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-WELL 1 (INACTIVE)	16260	Sequestration	Corrosion control
TP 01-WELL 1 (INACTIVE)	16260	Hypochlorination, Post	Disinfection
TP 02-WELL 3 (INACTIVE)	16261	Sequestration	Corrosion control
TP 02-WELL 3 (INACTIVE)	16261	Hypochlorination, Post	Disinfection
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	Filtration, Pressure Sand	Inorganics removal
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	Hypochlorination, Post	Disinfection
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	Aeration, Diffused	Iron removal
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	Innovative	Inorganics removal
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	Inhibitor, Polyphosphate	Corrosion control
TP03 -WELLS 3 & 4 - ARSENIC FILTRATION	40400	Hypochlorination, Pre	Disinfection

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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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