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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.

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Violations

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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	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	112	Returned to Compliance	05-NOV-2023	-	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	111	Returned to Compliance	13-AUG-2022	-	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	107	Open	07-AUG-2012	-	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	104	Returned to Compliance	01-SEP-2004	30-SEP-2004	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	259588	Known	14-JUL-1987	13-JUL-1988	Yes

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
315	111	SIF	State Public Notification received	05-JAN-2024	State	-
314	112	SOX	State Compliance achieved	05-JAN-2024	State	-
305	104	SIE	State Public Notification requested	02-OCT-2004	State	DEFAULT DATE, PUBLIC NOTICE REQUESTED IN NOV LETTER TO PWS.

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
HARRIS COUNTY MUD 144 / CLOSED IC	35240	Yes	Consecutive Connection	Ground water	Emergency	Active
1 - 7402 1/2 GRAND TERRACE CT	19393	Yes	Well	Ground water	Permanent	Active
2 - 8010 BARKER CYPRESS	19275	Yes	Well	Ground water	Permanent	Active
EMER I/C HARRIS CO MUD 208 / CLOSED	35241	Yes	Consecutive Connection	Ground water	Emergency	Active
EMER I/C HARRIS CO MUD 173 / CLOSED	35242	Yes	Consecutive Connection	Ground water	Emergency	Active
EMERGENCY SW FROM LANGHAM CREEK MUD	131165	Yes	Consecutive Connection	Surface water	Emergency	Active
HARRIS CO MUD 144	35239	Yes	Consecutive Connection	Ground water	Other	Inactive
HOUSTON SW THRU WHCRWA	67888	Yes	Consecutive Connection	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	42104	No	Distribution System/Zone	-	-	Active
7708 GRAND TERRACE - 1000 GPM - SP	81974	No	Pump Facility	-	-	Active
7708 GRAND TERRACE - 1000 GPM - SP	81975	No	Pump Facility	-	-	Active
7708 GRAND TERRACE - 1000 GPM - SP	81976	No	Pump Facility	-	-	Active
7708 GRAND TERRACE - 1000 GPM - SP	81977	No	Pump Facility	-	-	Active
7708 GRAND TERRACE CT; CYPRESS	136350	No	Sampling Station	-	-	Active
7708 GRAND TERRACE CT, CYPRESS	53095	No	Sampling Station	-	-	Active
7708 GRAND TERRACE - 0.025 MG - HD	100990	No	Storage	-	-	Active
7708 GRAND TERRACE - 0.025 MG - HD	100991	No	Storage	-	-	Active
7708 GRAND TERRACE - 0.475 MG - GR	100992	No	Storage	-	-	Active
7708 GRAND TERRACE - 0.475 MG - GR	100993	No	Storage	-	-	Active
PLANT - 8010 BARKER CYPRESS	4079	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT - 8010 BARKER CYPRESS	4079	Chloramines	Disinfection
PLANT - 8010 BARKER CYPRESS	4079	Innovative	Particulate removal
PLANT - 8010 BARKER CYPRESS	4079	Innovative	Other

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