Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	WA5363450
PWS Name	OLYMPIA CITY OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	126966
County Served	Thurston

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	2566846	Returned to Compliance	01-JUL-2025	-	No
TT	Failure to Filter (SWTR)	Surface Water Treatment Rule	Surface Water Treatment Rule	1769728	Returned to Compliance	01-OCT-2014	-	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	07953092992	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	07953092991	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	07953092990	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	07953092989	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	07953092987	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	07953092985	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	07953092984	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	07953092996	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	07953092378	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	07953092983	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	07953092380	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	07953092982	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	07953092981	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	07953092980	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	07953092979	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	07953092977	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	07953092976	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	07953092969	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	07953092968	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	07953092964	Known	01-JAN-2007	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	07410972032	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	07411032032	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	495955	Known	01-AUG-2004	31-AUG-2004	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	9852823	Known	01-SEP-1998	30-SEP-1998	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	8051557	Known	01-OCT-1979	31-OCT-1979	No

1 - 27 of 27

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
66846ENF	2566846	SOX	State Compliance achieved	19-AUG-2025	State	-
1769728ENF	1769728	SOX	State Compliance achieved	19-NOV-2014	State	-
CM1911	07410972032	SOX	State Compliance achieved	01-JAN-2008	State	-
CM1911	07411032032	SOX	State Compliance achieved	01-JAN-2008	State	-
5991	495955	SIA	State Violation/Reminder Notice	15-SEP-2004	State	-
9800422	9852823	SIA	State Violation/Reminder Notice	30-SEP-1998	State	-

1 - 6 of 6

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
43500/Lacey -Pacific Avenue	32908	Yes	Consecutive Connection	Ground water	Emergency	Active
Well #14 Irrigation Only	21745	Yes	Well	Ground water	Seasonal	Inactive
Shana Park Well #5	21743	Yes	Well	Ground water	Seasonal	Inactive
Shana Park Well #4 Monitoring Well	21742	Yes	Well	Ground water	Seasonal	Inactive
Hoffman Well #3 ABS202	21746	Yes	Well	Ground water	Seasonal	Active
McAllister WF (S13, 14 &15)	32576	Yes	Well	Ground water	Permanent	Active
PW-25 AFP993 24" McAllister WW	32575	Yes	Well	Ground water	Permanent	Active
PW-24 ACS969 20" McAllister WW	32574	Yes	Well	Ground water	Permanent	Active
TW-22 ACS968 12" McAllister WW	32573	Yes	Well	Ground water	Permanent	Active
Indian Summer Well #20 AGS961	31226	Yes	Well	Ground water	Permanent	Active
Allison Well #19 AHM692	21749	Yes	Well	Ground water	Permanent	Active
Shana Park Well #11 ABS201 CT-6	21748	Yes	Well	Ground water	Permanent	Active
Allison Well #13 AHM691	21747	Yes	Well	Ground water	Permanent	Active
Well #3 Shana Park	21744	Yes	Well	Ground water	Emergency	Inactive
Kaiser Well #1	21741	Yes	Well	Ground water	Emergency	Active
89700/Tumwater (2 interties)	32909	Yes	Consecutive Connection	Ground water	Emergency	Active
McCallister Springs 1	21739	Yes	Intake	Surface water	Permanent	Inactive
McCallister Springs 2	21740	Yes	Intake	Surface water	Permanent	Inactive
S10 Well #11 Shana Park CT-6	4204	No	Treatment Plant	-	-	Active
S03 Well #1 Kaiser	4565	No	Treatment Plant	-	-	Active
S12 Well #20 Indian Summer	4567	No	Treatment Plant	-	-	Active
S09 & S11 Allison	4569	No	Treatment Plant	-	-	Active
S16 McAllister WF Disinfection	5065	No	Treatment Plant	-	-	Active

1 - 23 of 23

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
S10 Well #11 Shana Park CT-6	4204	Aeration, Spray	Iron removal
S10 Well #11 Shana Park CT-6	4204	Gaseous Chlorination, Post	Disinfection
S03 Well #1 Kaiser	4565	Gaseous Chlorination, Post	Disinfection
S12 Well #20 Indian Summer	4567	Hypochlorination, Post	Disinfection
S09 & S11 Allison	4569	Aeration, Spray	Iron removal
S09 & S11 Allison	4569	Gaseous Chlorination, Post	Disinfection
S16 McAllister WF Disinfection	5065	Gaseous Chlorination, Post	Disinfection
S16 McAllister WF Disinfection	5065	Aeration, Packed Tower	Iron removal

1 - 8 of 8

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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