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PWS ID	TX1011642
PWS Name	HARRIS COUNTY MUD 154
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	8289
County Served	Harris

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, Regular	Inorganic Chemicals	Antimony, Total	74	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	75	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	76	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	102	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	103	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	104	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	105	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	106	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	107	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	108	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	109	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	110	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	111	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	112	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	113	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	66	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	67	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	68	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	62	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	72	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	78	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	114	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	115	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	116	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	81	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	82	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	69	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	83	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	117	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	84	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	85	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	86	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	87	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	88	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	89	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	90	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	91	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	92	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	93	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	94	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	95	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	96	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	97	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	98	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	99	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	100	Known	01-JAN-2019	31-DEC-2021	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	101	Known	01-JAN-2019	31-DEC-2021	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	9999193	Returned to Compliance	01-JUL-1992	30-JUN-1993	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
193	9999193	SOX	State Compliance achieved	30-JUN-1993	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
GW FROM HC MUD 221	64105	Yes	Consecutive Connection	Ground water	Emergency	Active
3 - 303 NORTH VISTA / PLUGGED	19151	Yes	Well	Ground water	Permanent	Inactive
2 - 303 NORTH VISTA	19150	Yes	Well	Ground water	Permanent	Inactive
1 - 303 NORTH VISTA	19149	Yes	Well	Ground water	Permanent	Inactive
4 - 21903 IMPERIAL VALLEY	63799	Yes	Well	Ground water	Permanent	Active
5 - 368 N VISTA DR	152254	Yes	Well	Ground water	Permanent	Active
GW FROM NORTH PARK PUD	64106	Yes	Consecutive Connection	Ground water	Emergency	Active
GW FROM MUD 233	64107	Yes	Consecutive Connection	Ground water	Other	Inactive
EMERGENCY I/C	65258	Yes	Consecutive Connection	Ground water	Other	Inactive
DISTRIBUTION SYSTEM	41722	No	Distribution System/Zone	-	-	Active
NORTH VISTA - 1000 GPM - SP	73155	No	Pump Facility	-	-	Active
NORTH VISTA - 1000 GPM - SP	73156	No	Pump Facility	-	-	Active
NORTH VISTA - 1000 GPM - SP	73157	No	Pump Facility	-	-	Active
NORTH VISTA - 1000 GPM - SP	73158	No	Pump Facility	-	-	Active
IMPERIAL VALLEY - 1350 GPM - SP	73159	No	Pump Facility	-	-	Active
IMPERIAL VALLEY - 1350 GPM - SP	73160	No	Pump Facility	-	-	Active
IMPERIAL VALLEY - 1350 GPM - SP	73161	No	Pump Facility	-	-	Active
PLANT 1 - 303 N VISTA DR	136149	No	Sampling Station	-	-	Active
PLANT 2 - 21903 IMPERIAL VALLEY DR	136150	No	Sampling Station	-	-	Active
PLANT 1 - 303 N VISTA DR	52711	No	Sampling Station	-	-	Active
PLANT 2 - 21903 IMPERIAL VALLEY DR	64392	No	Sampling Station	-	-	Active
303 NORTH VISTA - 0.125 MG - GR	89999	No	Storage	-	-	Active
303 NORTH VISTA - 0.430 MG - GR	90000	No	Storage	-	-	Active
303 NORTH VISTA - 0.025 MG - HD	90001	No	Storage	-	-	Active
303 NORTH VISTA - 0.02 MG - HD	90002	No	Storage	-	-	Active
21903 IMPERIAL VALLEY - 0.03 MG - HD	90003	No	Storage	-	-	Active
21903 IMPERIAL VALLEY - 0.4 MG - GR	90004	No	Storage	-	-	Active
PLANT - 21903 IMPERIAL VALLEY	63569	No	Treatment Plant	-	-	Active
PLANT - 303 NORTH VISTA	676	No	Treatment Plant	-	-	Active

1 - 29 of 29

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT - 21903 IMPERIAL VALLEY	63569	Gaseous Chlorination, Pre	Disinfection
PLANT - 303 NORTH VISTA	676	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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