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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
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	16	Returned to Compliance	01-JUN-2023	30-JUN-2023	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	10	Returned to Compliance	31-MAR-2016	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	9	Returned to Compliance	03-MAY-2015	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	8	Returned to Compliance	10-FEB-2015	-	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	7	Returned to Compliance	01-JAN-2015	-	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	6	Returned to Compliance	01-JUL-2014	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	3	Returned to Compliance	01-APR-2014	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	2	Returned to Compliance	29-SEP-2013	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	4	Returned to Compliance	01-JUL-2013	30-SEP-2013	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	1	Returned to Compliance	01-JUL-2013	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	5	Returned to Compliance	01-JUL-2013	30-SEP-2013	No

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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
22	16	SIF	State Public Notification received	06-OCT-2023	State	-
18	10	SOX	State Compliance achieved	19-MAY-2016	State	-
16	7	SOX	State Compliance achieved	02-SEP-2015	State	-
16	6	SOX	State Compliance achieved	02-SEP-2015	State	-
16	1	SOX	State Compliance achieved	02-SEP-2015	State	-
15	8	SOX	State Compliance achieved	09-JUN-2015	State	-
15	9	SOX	State Compliance achieved	09-JUN-2015	State	-
6	2	SOX	State Compliance achieved	28-JUL-2014	State	-
6	3	SOX	State Compliance achieved	28-JUL-2014	State	-
5	5	SIF	State Public Notification received	27-JUN-2014	State	-
5	4	SIF	State Public Notification received	27-JUN-2014	State	-

• 1 - 11 of 11

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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
GW FROM FALLBROOK UD	106745	Yes	Consecutive Connection	Surface water	Emergency	Active
SWP FROM HARRIS COUNTY MUD 406	163649	Yes	Consecutive Connection	Surface water	Permanent	Active
SW I/C FROM CITY OF HOUSTON	35290	Yes	Consecutive Connection	Surface water	Permanent	Active
P1012913A - CITY OF HOUSTON MUD 321	42933	Yes	Consecutive Connection	Ground water	-	Inactive
DISTRIBUTION SYSTEM	36690	No	Distribution System/Zone	-	-	Active
10961 NORTH FWY; HOUSTON	136470	No	Sampling Station	-	-	Active
10961 NORTH FWY, HOUSTON	53535	No	Sampling Station	-	-	Active
001 - HARRIS COUNTY MUD 321 / GULF COAST	42932	No	Sampling Station	-	-	Inactive
PLANT	63077	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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

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