Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	AZ0410357
PWS Name	METROPOLITAN DWID - DIABLO VILLAGE
PWS Type	Community water system
Owner Type	Private
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	5542
County Served	Pima

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 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	1132	Returned to Compliance	01-JUL-2024	30-SEP-2024	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1131	Returned to Compliance	01-JUL-2024	30-SEP-2024	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1126	Returned to Compliance	01-JUL-2023	30-SEP-2023	No
RPT	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	1124	Returned to Compliance	01-JUL-2023	-	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1123	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)	1128	Returned to Compliance	01-JAN-2023	31-DEC-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1127	Returned to Compliance	01-JAN-2023	31-DEC-2023	No
RPT	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	1122	Returned to Compliance	01-JUL-2022	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1121	Returned to Compliance	01-JUL-2021	30-SEP-2021	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1118	Returned to Compliance	01-APR-2021	30-JUN-2021	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1117	Returned to Compliance	01-OCT-2016	31-DEC-2016	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1112	Returned to Compliance	01-JAN-2016	31-MAR-2016	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1106	Returned to Compliance	01-APR-2015	30-APR-2015	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1065	Returned to Compliance	01-NOV-2013	30-NOV-2013	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1063	Returned to Compliance	01-OCT-2013	31-OCT-2013	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1101	Returned to Compliance	01-OCT-2013	31-DEC-2013	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	1045	Returned to Compliance	01-OCT-2012	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1044	Returned to Compliance	01-JUL-2012	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	1061	Returned to Compliance	01-OCT-2011	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1093	Returned to Compliance	01-OCT-2011	31-DEC-2011	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1062	Returned to Compliance	01-JUL-2011	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1087	Returned to Compliance	01-APR-2011	30-JUN-2011	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	1060	Returned to Compliance	01-OCT-2010	-	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1042	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	1052	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1041	Returned to Compliance	01-JAN-2010	31-MAR-2010	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	1057	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	1050	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	1046	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	1051	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	1056	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	1054	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	1055	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	1049	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	1047	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	1053	Returned to Compliance	01-JAN-2010	31-DEC-2012	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1037	Returned to Compliance	01-NOV-2009	30-NOV-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1038	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1036	Returned to Compliance	01-OCT-2009	31-OCT-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1035	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1031	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1034	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1016	Returned to Compliance	01-OCT-2008	31-OCT-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1069	Returned to Compliance	01-OCT-2008	31-DEC-2008	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1015	Returned to Compliance	01-SEP-2008	30-SEP-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1025	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1014	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1022	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	1019	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1027	Returned to Compliance	01-JAN-2008	31-MAR-2008	No

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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
522	1131	SOX	State Compliance achieved	30-JUL-2025	State	System subsequently submitted sample on 7/30/25. nra 8.4.25
522	1132	SOX	State Compliance achieved	30-JUL-2025	State	System subsequently submitted sample on 7/30/25. nra 8.4.25
510	1128	SOX	State Compliance achieved	25-OCT-2023	State	-
510	1127	SOX	State Compliance achieved	25-OCT-2023	State	-
507	1126	SOX	State Compliance achieved	18-OCT-2023	State	Late data received 10/13/2023. RC17
500	1124	SOX	State Compliance achieved	16-AUG-2023	State	Late Data submitted. RC17 8/16/2023
497	1123	SOX	State Compliance achieved	01-AUG-2023	State	Late data submitted 07/24/2023 RC17
492	1122	SOX	State Compliance achieved	23-AUG-2022	State	Correct number of August 2022 RTCR results received 8/23/22
486	1121	SIA	State Violation/Reminder Notice	22-NOV-2021	State	-
479	1118	SIA	State Violation/Reminder Notice	29-JUL-2021	State	-
477	1117	SIA	State Violation/Reminder Notice	02-MAR-2017	State	-
474	1112	SOX	State Compliance achieved	14-APR-2016	State	Data Received 4/14/2016 LT6 6/28/2016
473	1106	SOX	State Compliance achieved	07-JUL-2015	State	-
471	1101	SOX	State Compliance achieved	21-APR-2014	State	-
466	1063	SOX	State Compliance achieved	09-JAN-2014	State	-
466	1065	SOX	State Compliance achieved	09-JAN-2014	State	-
463	1052	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1051	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1050	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1053	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1054	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1055	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1056	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1057	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1049	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1046	SOX	State Compliance achieved	29-MAR-2013	State	-
463	1047	SOX	State Compliance achieved	29-MAR-2013	State	-
464	1060	SOX	State Compliance achieved	26-NOV-2012	State	-
464	1061	SOX	State Compliance achieved	26-NOV-2012	State	-
464	1045	SOX	State Compliance achieved	26-NOV-2012	State	-
464	1044	SOX	State Compliance achieved	26-NOV-2012	State	-
464	1062	SOX	State Compliance achieved	26-NOV-2012	State	-
470	1093	SOX	State Compliance achieved	09-APR-2012	State	-
469	1087	SOX	State Compliance achieved	24-OCT-2011	State	-
450	1043	SOX	State Compliance achieved	16-MAR-2011	State	-
449	1042	SOX	State Compliance achieved	22-SEP-2010	State	-
449	1041	SOX	State Compliance achieved	22-SEP-2010	State	-
444	1038	SOX	State Compliance achieved	08-APR-2010	State	-
438	1035	SOX	State Compliance achieved	18-FEB-2010	State	-
440	1037	SIA	State Violation/Reminder Notice	28-JAN-2010	State	-
439	1036	SOX	State Compliance achieved	21-JAN-2010	State	-
436	1034	SOX	State Compliance achieved	19-AUG-2009	State	-
435	1031	SOX	State Compliance achieved	10-AUG-2009	State	-
430	1016	SOX	State Compliance achieved	09-JUL-2009	State	-
429	1019	SOX	State Compliance achieved	20-APR-2009	State	-
429	1025	SOX	State Compliance achieved	20-APR-2009	State	-
429	1069	SOX	State Compliance achieved	20-APR-2009	State	-
429	1022	SOX	State Compliance achieved	20-APR-2009	State	-
424	1027	SOX	State Compliance achieved	10-FEB-2009	State	-
423	1015	SOX	State Compliance achieved	17-DEC-2008	State	-

1 - 50 of 63

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC001 - 10112	11313	Yes	Consecutive Connection	Ground water	Emergency	Active
WL-55-801496 - 1	8189	Yes	Well	Ground water	Permanent	Active
WL-55-208091 - 2	23586	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	15209	No	Distribution System/Zone	-	-	Active
EPDS001	10148	No	Sampling Station	-	-	Active
EPDS002	22581	No	Sampling Station	-	-	Active
XEPHIS	18696	No	Sampling Station	-	-	Inactive
STORAGE TANK 001 - 200,000	23590	No	Storage	-	-	Active
STORAGE TANK 002 - 300,000	23592	No	Storage	-	-	Active
STORAGE TANK 003 - 182,000	25282	No	Storage	-	-	Active
TP001 - CL2, AS	20379	No	Treatment Plant	-	-	Active
TP002 - CL2	23588	No	Treatment Plant	-	-	Active
XTP001A - AS	23587	No	Treatment Plant	-	-	Inactive
XTP002A - AS	23589	No	Treatment Plant	-	-	Inactive

1 - 14 of 14

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP001 - CL2, AS	20379	Hypochlorination, Post	Disinfection
TP001 - CL2, AS	20379	Chlorination (FRDS-1.5)	Disinfection
TP001 - CL2, AS	20379	Innovative	Inorganics removal
XTP001A - AS	23587	Innovative	Inorganics removal
TP002 - CL2	23588	Chlorination (FRDS-1.5)	Disinfection
XTP002A - AS	23589	Innovative	Inorganics removal

1 - 6 of 6

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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