Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	AZ0415497
PWS Name	EHRENBERG IMPROVEMENT DISTRICT
PWS Type	Community water system
Owner Type	Private
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	989
County Served	La Paz

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 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10194	Returned to Compliance	01-AUG-2024	31-AUG-2024	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10191	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	10189	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	10188	Returned to Compliance	01-APR-2023	30-JUN-2023	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	10186	Returned to Compliance	02-OCT-2022	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10185	Returned to Compliance	01-APR-2022	30-JUN-2022	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10182	Returned to Compliance	01-JAN-2022	31-MAR-2022	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	10179	Returned to Compliance	01-MAY-2021	31-JUL-2021	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	10173	Returned to Compliance	01-DEC-2020	31-DEC-2020	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	10174	Returned to Compliance	01-DEC-2020	31-DEC-2020	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10177	Returned to Compliance	01-OCT-2020	31-DEC-2020	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10166	Returned to Compliance	01-OCT-2018	31-DEC-2018	No
MR	Monitoring, Source Water (LT2)	Long Term 2 Enhanced Surface Water Treatment Rule	E. COLI	10163	Returned to Compliance	01-OCT-2018	31-OCT-2018	No
MR	Monitoring, Source Water (LT2)	Long Term 2 Enhanced Surface Water Treatment Rule	E. COLI	10162	Returned to Compliance	01-SEP-2018	30-SEP-2018	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	10161	Returned to Compliance	04-OCT-2017	-	No
MR	Monitoring, Source Water (LT2)	Long Term 2 Enhanced Surface Water Treatment Rule	E. COLI	10160	Returned to Compliance	01-OCT-2017	31-OCT-2017	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	10150	Returned to Compliance	01-OCT-2015	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	10142	Returned to Compliance	01-OCT-2014	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10103	Returned to Compliance	01-OCT-2012	31-DEC-2012	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10145	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10100	Returned to Compliance	01-APR-2012	30-JUN-2012	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10095	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	10109	Returned to Compliance	01-OCT-2011	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	10108	Returned to Compliance	01-JUL-2011	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10141	Returned to Compliance	01-JAN-2011	31-MAR-2011	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10129	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	10077	Returned to Compliance	01-OCT-2010	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10132	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	10107	Returned to Compliance	01-JUL-2010	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	10088	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	10089	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10135	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10138	Returned to Compliance	01-JAN-2010	31-MAR-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	10087	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10074	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	10086	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	10070	Returned to Compliance	01-AUG-2009	31-AUG-2009	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	10106	Returned to Compliance	01-JUL-2009	-	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	10081	Returned to Compliance	01-JUL-2009	31-JUL-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10071	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	10083	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	10082	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	10064	Returned to Compliance	01-FEB-2009	28-FEB-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	10065	Returned to Compliance	01-JAN-2009	31-MAR-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	10066	Returned to Compliance	01-JAN-2009	31-MAR-2009	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	10062	Returned to Compliance	01-OCT-2008	31-OCT-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10059	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	10057	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	10056	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	10105	Returned to Compliance	01-JUL-2008	-	No

1 - 50 of 195

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
5148	10194	SOX	State Compliance achieved	13-NOV-2024	State	-
5138	10191	SOX	State Compliance achieved	24-AUG-2023	State	Results received late on 7/13/23. BM11.
5138	10188	SOX	State Compliance achieved	24-AUG-2023	State	Results received late on 7/13/23. BM11.
5138	10189	SOX	State Compliance achieved	24-AUG-2023	State	Results received late on 7/13/23. BM11.
5127	10186	SOX	State Compliance achieved	14-DEC-2022	State	-
5122	10185	SIA	State Violation/Reminder Notice	18-AUG-2022	State	-
5115	10182	SIA	State Violation/Reminder Notice	17-MAY-2022	State	-
5109	10179	SOX	State Compliance achieved	24-NOV-2021	State	4Q2021 (OCT) TTHM results from 01-A submitted on 10/18/2021. KV3 12/1/2021
5102	10177	SOX	State Compliance achieved	12-FEB-2021	State	System submitted a complete and accurate 4Q2020 MRDL report late on 2/12/2021. KV3 2/12/2021
5095	10174	SOX	State Compliance achieved	26-JAN-2021	State	System submitted complete/accurate DEC 2020 SWTR report late on 1/26/21. KV3 1/26/2021
5095	10173	SOX	State Compliance achieved	26-JAN-2021	State	System submitted complete/accurate DEC 2020 SWTR report late on 1/26/21. KV3 1/26/2021
5076	10166	SIA	State Violation/Reminder Notice	13-FEB-2019	State	-
5070	10163	SIA	State Violation/Reminder Notice	08-JAN-2019	State	-
5110	10162	SOX	State Compliance achieved	08-NOV-2018	State	System submitted NOV 2018 LT2 results on 11/8/2018. KV3 12/20/2021
5065	10161	SIE	State Public Notification requested	22-JAN-2018	State	-
5068	10160	SOX	State Compliance achieved	12-JAN-2018	State	Submitted late data on 1/12/2018 HML 1/23/2018
5054	10150	SOX	State Compliance achieved	30-MAR-2016	State	-
5052	10142	SOX	State Compliance achieved	24-NOV-2014	State	-
5041	10095	SOX	State Compliance achieved	05-APR-2013	State	-
5041	10145	SOX	State Compliance achieved	05-APR-2013	State	-
5041	10103	SOX	State Compliance achieved	05-APR-2013	State	-
5041	10100	SOX	State Compliance achieved	05-APR-2013	State	-
5040	10083	SOX	State Compliance achieved	06-NOV-2012	State	-
5040	10086	SOX	State Compliance achieved	06-NOV-2012	State	-
5040	10087	SOX	State Compliance achieved	06-NOV-2012	State	-
5040	10088	SOX	State Compliance achieved	06-NOV-2012	State	-
5040	10089	SOX	State Compliance achieved	06-NOV-2012	State	-
5040	10082	SOX	State Compliance achieved	06-NOV-2012	State	-
5045	10108	SOX	State Compliance achieved	10-APR-2012	State	-
5045	10109	SOX	State Compliance achieved	10-APR-2012	State	-
5039	10077	SOX	State Compliance achieved	15-AUG-2011	State	-
5050	10141	SOX	State Compliance achieved	10-JUN-2011	State	-
5050	10138	SOX	State Compliance achieved	10-JUN-2011	State	-
5050	10135	SOX	State Compliance achieved	10-JUN-2011	State	-
5050	10132	SOX	State Compliance achieved	10-JUN-2011	State	-
5050	10129	SOX	State Compliance achieved	10-JUN-2011	State	-
5038	10081	SOX	State Compliance achieved	06-APR-2011	State	-
5036	10064	SOX	State Compliance achieved	10-NOV-2010	State	-
5036	10062	SOX	State Compliance achieved	10-NOV-2010	State	-
5036	10070	SOX	State Compliance achieved	10-NOV-2010	State	-
5044	10107	SOX	State Compliance achieved	15-JUL-2010	State	-
5032	10071	SOX	State Compliance achieved	08-APR-2010	State	-
5032	10074	SOX	State Compliance achieved	08-APR-2010	State	-
5043	10106	SOX	State Compliance achieved	14-JUL-2009	State	-
5028	10065	SOX	State Compliance achieved	14-MAY-2009	State	-
5028	10066	SOX	State Compliance achieved	14-MAY-2009	State	-
5024	10028	SOX	State Compliance achieved	18-MAR-2009	State	-
5024	10020	SOX	State Compliance achieved	18-MAR-2009	State	-
5021	10021	SOX	State Compliance achieved	26-JAN-2009	State	-
5021	10022	SOX	State Compliance achieved	26-JAN-2009	State	-

1 - 50 of 161

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
IN-C154970SI - COL RIVER	11043	Yes	Intake	Surface water	Permanent	Active
EPDS001	8498	No	Clear Well	-	-	Active
DISTRIBUTION SYSTEM	12783	No	Distribution System/Zone	-	-	Active
XEPHIS	17952	No	Sampling Station	-	-	Inactive
STORAGE TANK 001 - 600,000	22616	No	Storage	-	-	Active
STORAGE TANK 002 - 600,000	22617	No	Storage	-	-	Active
STORAGE TANK 003 - 5,000	22618	No	Storage	-	-	Active
TP001 - CL2HAND	651	No	Treatment Plant	-	-	Active

1 - 8 of 8

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP001 - CL2HAND	651	Sludge Treatment	Particulate removal
TP001 - CL2HAND	651	Filtration, Pressure Sand	Particulate removal
TP001 - CL2HAND	651	Innovative	Disinfection
TP001 - CL2HAND	651	Coagulation	Particulate removal
TP001 - CL2HAND	651	Flocculation	Particulate removal

1 - 5 of 5

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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