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PWS ID	TX1490017
PWS Name	LAKE VISTA UTILITY
PWS Type	Community water system
Owner Type	Private
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	834
County Served	Live Oak

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	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	100069308	Returned to Compliance	01-JAN-2025	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	100069307	Returned to Compliance	01-JUL-2024	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	100069304	Returned to Compliance	01-JAN-2024	30-JUN-2024	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	100069241	Returned to Compliance	01-OCT-2021	-	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	100069224	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	100069234	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	100069216	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	100069230	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	100069221	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	100069238	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	100069232	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	100069240	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	100069220	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	100069219	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	100069218	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	100069228	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	100069227	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	100069226	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	100069239	Returned to Compliance	01-JAN-2020	31-DEC-2020	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	100069208	Returned to Compliance	01-OCT-2015	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	100069200	Returned to Compliance	01-JUL-2010	30-SEP-2010	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
60	100069308	SIF	State Public Notification received	26-JUN-2025	State	-
59	100069307	SOX	State Compliance achieved	11-APR-2025	State	SOX'D VIOLATION, PWS COMPLETED 6M1 2025 SAMPLING - EREED 4/17/2025
58	100069216	SOX	State Compliance achieved	28-MAR-2025	State	-
54	100069304	SIF	State Public Notification received	30-JAN-2025	State	-
37	100069238	SOX	State Compliance achieved	12-JUN-2023	State	-
37	100069239	SOX	State Compliance achieved	12-JUN-2023	State	-
37	100069240	SOX	State Compliance achieved	12-JUN-2023	State	-
36	100069221	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069220	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069219	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069218	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069224	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069230	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069228	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069227	SOX	State Compliance achieved	28-APR-2023	State	-
36	100069226	SOX	State Compliance achieved	28-APR-2023	State	-
34	100069232	SOX	State Compliance achieved	17-MAR-2023	State	-
34	100069234	SOX	State Compliance achieved	17-MAR-2023	State	-
33	100069241	SOX	State Compliance achieved	30-SEP-2022	State	ANNUAL 2022 SAMPLING COMPLETE - AW 10/25/2022
9	100069208	SOX	State Compliance achieved	01-SEP-2016	State	-
1	100069200	SOX	State Compliance achieved	16-FEB-2011	State	DLQOR RECEIVED

1 - 21 of 21

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
4 - LAZY BEND RD	130917	Yes	Well	Ground water	Permanent	Active
2 - LAZY BEND / PLUGGED	21867	Yes	Well	Ground water	Permanent	Inactive
1 - VISTA LN / PLUGGED	21742	Yes	Well	Ground water	Permanent	Inactive
1 - VISTA LN	21991	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	37315	No	Distribution System/Zone	-	-	Active
LAZY LN - WELL 4 - 300 GPM - SP	79830	No	Pump Facility	-	-	Active
LAZY LN - WELL 4 - 300 GPM - SP	79831	No	Pump Facility	-	-	Active
VISTA LN - WELL 1 - 325 GPM - SP	79832	No	Pump Facility	-	-	Active
VISTA LN - WELL 1 - 325 GPM - SP	79833	No	Pump Facility	-	-	Active
601 S VISTA LN; SANDIA	138120	No	Sampling Station	-	-	Active
112 LAZY LN, SANDIA	149280	No	Sampling Station	-	-	Active
112 LAZY LN, SANDIA	149281	No	Sampling Station	-	-	Active
601 S VISTA LN, SANDIA	55502	No	Sampling Station	-	-	Active
112 LAZY LN; SANDIA	138121	No	Sampling Station	-	-	Inactive
112 LAZY LN, SANDIA	55501	No	Sampling Station	-	-	Inactive
VISTA LN - WELL 1 - 0.010 MG - HD	97976	No	Storage	-	-	Active
LAZY LN - WELL 4 - 0.003 MG - HD	97977	No	Storage	-	-	Active
VISTA LN - WELL 1 - 0.084 MG - GR	97978	No	Storage	-	-	Active
LAZY LN - WELL 4 - 0.084 MG - GR	97979	No	Storage	-	-	Active
PLANT 2 - LAZY BEND	11335	No	Treatment Plant	-	-	Active
PLANT 1 - VISTA LN	6578	No	Treatment Plant	-	-	Active

1 - 21 of 21

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT 2 - LAZY BEND	11335	Gaseous Chlorination, Pre	Disinfection
PLANT 1 - VISTA LN	6578	Gaseous Chlorination, Pre	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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