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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CO0107810
PWS Name	VISTA VILLAGE MHP
PWS Type	Community water system
Owner Type	Private
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	750
County Served	Boulder

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	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	21	Returned to Compliance	13-JUN-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	19	Returned to Compliance	01-APR-2019	30-JUN-2019	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	20	Returned to Compliance	01-APR-2019	30-JUN-2019	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	11	Returned to Compliance	08-DEC-2018	-	No
TT	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Stage 1 Disinfectants and Disinfection Byproducts Rule	7	Returned to Compliance	04-NOV-2018	-	Yes
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	12	Returned to Compliance	01-NOV-2018	30-NOV-2018	No
MR	Monitoring of Treatment (SWTR-Filter)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	13	Returned to Compliance	01-NOV-2018	30-NOV-2018	No
Other	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	6	Returned to Compliance	11-OCT-2018	-	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	5	Returned to Compliance	11-OCT-2018	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	10	Returned to Compliance	01-OCT-2018	31-DEC-2018	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	15	Returned to Compliance	01-OCT-2018	31-DEC-2018	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	16	Returned to Compliance	01-OCT-2018	31-DEC-2018	No
MR	Monitoring of Treatment (SWTR-Filter)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	9	Returned to Compliance	01-OCT-2018	31-OCT-2018	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	8	Returned to Compliance	01-OCT-2018	31-OCT-2018	No
MR	Monitoring of Treatment (SWTR-Filter)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	2	Returned to Compliance	01-SEP-2018	30-SEP-2018	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	1	Returned to Compliance	01-SEP-2018	30-SEP-2018	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	3	Returned to Compliance	01-JUL-2018	30-SEP-2018	No

1 - 17 of 17

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
42	21	SOX	State Compliance achieved	23-JUN-2025	State	-
39	19	SOX	State Compliance achieved	30-AUG-2019	State	-
39	20	SOX	State Compliance achieved	30-AUG-2019	State	-
36	16	SOX	State Compliance achieved	29-APR-2019	State	-
36	15	SOX	State Compliance achieved	29-APR-2019	State	-
34	9	SOX	State Compliance achieved	08-MAR-2019	State	-
34	6	SOX	State Compliance achieved	08-MAR-2019	State	-
34	5	SOX	State Compliance achieved	08-MAR-2019	State	-
30	7	SIF	State Public Notification received	30-JAN-2019	State	-
31	11	SOX	State Compliance achieved	30-JAN-2019	State	-
27	13	SIE	State Public Notification requested	26-DEC-2018	State	-
25	12	SIE	State Public Notification requested	26-DEC-2018	State	-
35	8	SOX	State Compliance achieved	12-DEC-2018	State	-
35	3	SOX	State Compliance achieved	12-DEC-2018	State	-
35	2	SOX	State Compliance achieved	12-DEC-2018	State	-
35	1	SOX	State Compliance achieved	12-DEC-2018	State	-
35	10	SOX	State Compliance achieved	12-DEC-2018	State	-

1 - 17 of 17

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
PURCHASED FROM CO0107152	22607	Yes	Consecutive Connection	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	22606	No	Distribution System/Zone	-	-	Active

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Treatment Processes

No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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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