Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	WA5336350
PWS Name	ISSAQUAH WATER SYSTEM
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	Yes
Population Served	43584
County Served	King

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
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1538000	Returned to Compliance	01-JUL-2015	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	07239962036	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	07239962047	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	07239892047	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	07239752047	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	07239822047	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	07239892046	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	07239822046	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	07239962046	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	07239752046	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	07239892044	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	07239822044	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	07239752044	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	07239962044	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	07239892043	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	07239822043	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	07239962043	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	07239752043	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	07239892036	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	07239822036	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	07239752036	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	0351076	Known	01-NOV-2003	30-NOV-2003	Yes
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	04729922110	Known	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	04729962996	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	04730022996	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	04729962992	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	04730022992	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	04729962991	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	04730022991	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	04729962990	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	04730022990	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	04729962989	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	04730022989	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	04729962987	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	04730022987	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	04729962985	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	04730022985	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	04730022984	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	04729962984	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	04729962983	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	04730022983	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	04730022982	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	04729962982	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	04729962981	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	04730022981	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	04729962980	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	04730022980	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	04729962979	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	04730022979	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	04729962977	Returned to Compliance	01-JAN-2002	31-DEC-2004	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
38000ENF	1538000	SOX	State Compliance achieved	15-SEP-2015	State	-
CM72	07239752044	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239752046	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239752047	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239822036	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239822043	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239822044	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239822046	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239822047	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239892036	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239892043	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239892044	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239892046	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239892047	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239962036	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239962043	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239962044	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239962046	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239962047	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239752036	SOX	State Compliance achieved	01-JAN-2008	State	-
CM72	07239752043	SOX	State Compliance achieved	01-JAN-2008	State	-
CM229	04729962378	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962380	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962964	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962968	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962969	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962976	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962977	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962979	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962980	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962981	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962982	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962983	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962984	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962985	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962987	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962989	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962990	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962991	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962992	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04729962996	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022378	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022380	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022964	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022968	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022969	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022976	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022977	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022979	SOX	State Compliance achieved	22-NOV-2005	State	-
CM229	04730022980	SOX	State Compliance achieved	22-NOV-2005	State	-

1 - 50 of 66

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
SAMMAMISH PLATEAU	16414	Yes	Consecutive Connection	Surface water	Emergency	Active
WELL #4	16410	Yes	Well	Ground water	Permanent	Active
WELL # 2	16408	Yes	Well	Ground water	Permanent	Active
WELL # 1	16407	Yes	Well	Ground water	Permanent	Active
WELL #3	16409	Yes	Well	Ground water	Emergency	Inactive
WELL #5	16411	Yes	Well	Ground water	Emergency	Active
SAMMAMISH PLATEAU	29634	Yes	Consecutive Connection	Surface water	Emergency	Active
05575B/BELLEVUE	16412	Yes	Consecutive Connection	Surface water	Permanent	Active
05575B/BELLEVUE	16413	Yes	Consecutive Connection	Surface water	Permanent	Active
AA374C/Cascade Water Alliance	29978	Yes	Consecutive Connection	Surface water	Permanent	Active
Risdon - Well 1	2480	No	Treatment Plant	-	-	Active
Gilman - Well 4	2481	No	Treatment Plant	-	-	Active
Risdon - Well 2	3610	No	Treatment Plant	-	-	Active
Gilman - Well 5	3614	No	Treatment Plant	-	-	Active
Purchased surface water	4010	No	Treatment Plant	-	-	Active
Talus BPS	4120	No	Treatment Plant	-	-	Active
Gilman 4 & Gilman 5	4122	No	Treatment Plant	-	-	Active

1 - 17 of 17

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
Risdon - Well 1	2480	pH Adjustment, Post	Corrosion control
Risdon - Well 1	2480	Hypochlorination, Post	Disinfection
Gilman - Well 4	2481	Hypochlorination, Post	Disinfection
Gilman - Well 4	2481	Activated Carbon, Granular	Organics removal
Risdon - Well 2	3610	pH Adjustment, Post	Corrosion control
Risdon - Well 2	3610	Hypochlorination, Post	Disinfection
Gilman - Well 5	3614	Hypochlorination, Post	Disinfection
Purchased surface water	4010	Gaseous Chlorination, Post	Disinfection
Talus BPS	4120	Fluoridation	Other
Gilman 4 & Gilman 5	4122	Sequestration	Iron removal

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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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