Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	NN3500258
PWS Name	Iyanbito NTUA
PWS Type	Community water system
Owner Type	Tribal Government
Primary Source	Ground water
Primacy Type	Tribal
Is Wholesaler?	No
Population Served	797
County Served

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, Regular	Nitrate Rule	Nitrate	350025803104012020	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	350025803104112020	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	350025830295012020	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	350025830245612020	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
Other	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	35002585A800042016	Open	01-APR-2016	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	350025824310042014	Returned to Compliance	01-APR-2014	30-APR-2014	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	350025803104112014	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	350025803104012014	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	3500258350600102013	Open	01-OCT-2013	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3500258233100122012	Returned to Compliance	01-DEC-2012	31-DEC-2012	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3500258233100112012	Returned to Compliance	01-NOV-2012	30-NOV-2012	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	350025803104112010	Returned to Compliance	01-JAN-2010	31-DEC-2010	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	350025803104012010	Returned to Compliance	01-JAN-2010	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	350025803294612008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	350025803237812008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	350025803299612008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	350025803299212008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	350025803299112008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	350025803299012008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	350025803298912008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	350025803298712008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	350025803298512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	350025803298412008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	350025803298312008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	350025803298212008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	350025803298112008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	350025803298012008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	350025803297912008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	350025803297712008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	350025803297612008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	350025803296912008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	350025803296812008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	350025803296412008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	350025803295912008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	350025803295512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	350025803102012008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	350025803238012008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	350025803107412008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	350025803107512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	350025803108512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	350025803200512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	350025803201012008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	350025803201512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	350025803202012008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dalapon	350025803203112008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	350025803203212008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endothall	350025803203312008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Glyphosate	350025803203412008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	350025803203512008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	350025803203612008	Returned to Compliance	01-JAN-2008	31-DEC-2010	No

1 - 50 of 96

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
3500258FJ08282441483	35002585A800042016	SFJ	State Formal Notice of Violation issued	28-AUG-2024	State	NOV issued for failure to prepare a site sampling plan for total coliform.
3500258OX07202138855	350025830245612020	SOX	State Compliance achieved	20-JUL-2021	State	2020 DBPs Stage 2 M/R. Return To Compliance. Full sample sets collected 07/20/2021.
3500258OX07202138854	350025830295012020	SOX	State Compliance achieved	20-JUL-2021	State	2020 DBPs Stage 2 M/R. Return To Compliance. Full sample sets collected 07/20/2021.
3500258OX07142138807	350025803104112020	SOX	State Compliance achieved	14-JUL-2021	State	2020 Nitrate/Nitrite Monitoring. Return To Compliance. Full sample set collected 07/14/2021.
3500258OX07142138806	350025803104012020	SOX	State Compliance achieved	14-JUL-2021	State	2020 Nitrate/Nitrite Monitoring. Return To Compliance. Full sample set collected 07/14/2021.
3500258FJ08281733413	3500258350600102013	SFJ	State Formal Notice of Violation issued	28-AUG-2017	State	NOV issued for failure to submit a DBP site sampling plan.
3500258OX10131531179	350025803104112014	SOX	State Compliance achieved	13-OCT-2015	State	Rec'd N/N data on 10/13/15 for both wells 16T-668 and 16T-666
3500258OX10131531178	350025803104012014	SOX	State Compliance achieved	13-OCT-2015	State	Rec'd N/N data on 10/13/15 for both wells 16T-668 and 16T-666
3500258IE08281428630	350025824310042014	SIE	State Public Notification requested	28-AUG-2014	State	NOV, PN required.
3500258OX01111323604	3500258233100122012	SOX	State Compliance achieved	11-JAN-2013	State	2012 Dec TCR M/R. RTC, received NTUA TCR results on 01-11-2013.
3500258OX12111223686	3500258233100112012	SOX	State Compliance achieved	11-DEC-2012	State	2012 Nov TCR M/R. RTC, received NTUA TCR results on 12-11-2012.
3500258OX02211219099	350025803200512008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219086	350025803201012008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219087	350025803201512008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219090	350025803202012008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219093	350025803203112008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219097	350025803203212008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219098	350025803203312008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219100	350025803203412008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219094	350025803203512008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219103	350025803203612008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219105	350025803203712008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219095	350025803203912008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219104	350025803204012008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219096	350025803204112008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219102	350025803204212008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219079	350025803204612008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219078	350025803205012008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219077	350025803205112008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219106	350025803206312008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219084	350025803206512008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219085	350025803206712008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219082	350025803210512008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219091	350025803211012008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219101	350025803227412008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219092	350025803230612008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219089	350025803232612008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219073	350025803237812005	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219074	350025803237812008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219051	350025803238012005	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219052	350025803238012008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219088	350025803238312008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219081	350025803293112008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219083	350025803294612008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219069	350025803295512005	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219070	350025803295512008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219080	350025803295912008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219071	350025803296412005	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219072	350025803296412008	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.
3500258OX02211219059	350025803296812005	SOX	State Compliance achieved	21-FEB-2012	State	RTC, VOC and SOC waivers granted. The next set of samples are due during 2011-2013.

1 - 50 of 96

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
16-0666 (IYANBITO 2)	3500258GW002	Yes	Well	Ground water	Emergency	Active
16-0668 (IYANBITO 1)	3500258GW003	Yes	Well	Ground water	Permanent	Active
16T-537 (IYANBITO)	3500258GW001	Yes	Well	Ground water	Emergency	Inactive
16-0666 Entry Point (Iyanbito 2)	3500258EP002	No	Common Headers	-	-	Active
16-0668 Entry Point (Iyanbito 1)	3500258EP003	No	Common Headers	-	-	Active
16T-537 Entry Point (Iyanbito)	3500258EP001	No	Common Headers	-	-	Inactive
NN3500258 NTUA Iyanbito Distribution Sys	3500258DS001	No	Distribution System/Zone	-	-	Active
Iyanbito Storage Tank	3500258ST001	No	Storage	-	-	Active
16-0666 Treatment (Iyanbito 2 ; GW002)	3500258TP002	No	Treatment Plant	-	-	Active
16-0668 Treatment (Iyanbito 1 ; GW003)	3500258TP003	No	Treatment Plant	-	-	Active

1 - 10 of 10

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
16-0666 Treatment (Iyanbito 2 ; GW002)	3500258TP002	Hypochlorination, Post	Disinfection
16-0668 Treatment (Iyanbito 1 ; GW003)	3500258TP003	Hypochlorination, Post	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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