Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	TX1610027
PWS Name	SELKIRK WSC
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	678
County Served	Matagorda

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	90065584	Known	01-OCT-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	90065580	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	90065575	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	90065577	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	90065578	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	90065579	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	90065564	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	90065565	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	90065566	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	90065567	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	90065568	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	90065569	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	90065570	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	90065571	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	90065572	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	90065573	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	90065574	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	90065576	Known	01-JAN-2021	31-DEC-2023	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	90065460	Returned to Compliance	15-OCT-2019	-	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	90065538	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	90065517	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	90065537	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	90065516	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	90065536	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	90065515	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	90065535	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	90065514	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	90065534	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	90065513	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	90065533	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	90065512	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	90065532	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	90065511	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	90065531	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	90065510	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	90065530	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	90065509	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	90065529	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	90065508	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	90065528	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	90065507	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	90065527	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	90065506	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	90065526	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	90065505	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	90065525	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	90065504	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	90065524	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	90065503	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	90065502	Returned to Compliance	01-JAN-2019	31-DEC-2019	No

1 - 50 of 110

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
90109861	90065584	SIE	State Public Notification requested	06-APR-2026	State	-
90109853	90065464	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065465	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065466	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065467	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065468	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065469	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065470	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065471	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065472	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065473	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065474	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065475	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065476	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065477	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065478	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109853	90065479	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065480	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065481	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065482	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065483	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065484	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065485	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065486	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065487	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065488	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065489	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065490	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065491	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065492	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065493	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065494	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109852	90065495	SOX	State Compliance achieved	06-JAN-2025	State	20250206. TCARSON. SYSTEM RESAMPLED EP.
90109830	90065461	SOX	State Compliance achieved	10-JUL-2020	State	-
90109830	90065496	SOX	State Compliance achieved	10-JUL-2020	State	-
90109832	90065463	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065497	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065498	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065499	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065500	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065501	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065502	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065503	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065504	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065505	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065506	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065507	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065508	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065509	SIF	State Public Notification received	22-JUN-2020	State	-
90109836	90065510	SIF	State Public Notification received	22-JUN-2020	State	-

1 - 50 of 93

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
1 - NORTH PLANT	22776	Yes	Well	Ground water	Other	Inactive
3 - ZIPPRIAN WAY / CR 243 (N PLANT)	22789	Yes	Well	Ground water	Permanent	Active
2 - EXOTIC ISLE DR / CR 243 (S PLANT)	22788	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	43500	No	Distribution System/Zone	-	-	Active
EXOTIC ISLE DR AND CR 243 - 150 GPM - SP	81930	No	Pump Facility	-	-	Active
EXOTIC ISLE DR AND CR 243 - 150 GPM - SP	81931	No	Pump Facility	-	-	Active
ZIPPRIAN WAY RD - 120 GPM - SP	81932	No	Pump Facility	-	-	Active
ZIPPRIAN WAY RD - 120 GPM - SP	81933	No	Pump Facility	-	-	Active
NORTH PLANT (ZIPPRIAN); BAY CITY	138422	No	Sampling Station	-	-	Active
EXOTIC ISLE ST / SELKIRK DR; BAY CITY	138423	No	Sampling Station	-	-	Active
NORTH PLANT (ZIPPRIAN), BAY CITY	56040	No	Sampling Station	-	-	Active
EXOTIC ISLE ST / SELKIRK DR, BAY CITY	56041	No	Sampling Station	-	-	Active
ZIPPRIAN WAY RD - 0.02 MG - GR	100926	No	Storage	-	-	Active
EXOTIC ISLE DR - 0.04 MG - GR	100927	No	Storage	-	-	Active
ZIPPRIAN WAY RD - 0.003 MG - HD	100928	No	Storage	-	-	Active
EXOTIC ISLE DR - 0.003 MG - HD	100929	No	Storage	-	-	Active
PLANT - NORTH (ZIPPRIAN WAY)	5205	No	Treatment Plant	-	-	Active
PLANT - SOUTH (SELKIRK / BOATHOUSE)	9837	No	Treatment Plant	-	-	Active

1 - 18 of 18

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT - NORTH (ZIPPRIAN WAY)	5205	Gaseous Chlorination, Pre	Disinfection
PLANT - SOUTH (SELKIRK / BOATHOUSE)	9837	Gaseous Chlorination, Pre	Disinfection

1 - 2 of 2

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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