Heritage Estates
Community water system in Grayson County, Texas, serving 138 people from ground water. 6 rules violated in the past three years. Privately owned.
Quarterly compliance history
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
2026
Rules violated in the past three years
Jul to Sep 2023 to Jul to Sep 2026
Stage 1 Disinfectants and Disinfection Byproducts Rule
Monitoring and Reporting
1 violation, Jan 2024 to Sep 2024 · Chlorine (MRDL)
Stage 1 Disinfectants and Disinfection Byproducts Rule
Monitoring and Reporting1 violation, Jan 2024 to Sep 2024 · Chlorine (MRDL)
Monitoring and Reporting: 1 violation, Jan 2024 to Sep 2024. The system did not complete required monitoring, or did not report the results on time. This does not show that a contaminant was found.
Contaminant on the record: Chlorine (MRDL).
Volatile Organic Chemicals
Monitoring and Reporting
21 violations, Jan 2024 to Jan 2026 · 21 contaminants
Volatile Organic Chemicals
Monitoring and Reporting21 violations, Jan 2024 to Jan 2026 · 21 contaminants
Monitoring and Reporting: 21 violations, Jan 2024 to Jan 2026. The system did not complete required monitoring, or did not report the results on time. This does not show that a contaminant was found.
Contaminants on the record: 1,2,4-Trichlorobenzene, cis-1,2-Dichloroethylene, Xylenes, Total, Dichloromethane (Methylene Chloride), o-Dichlorobenzene, p-Dichlorobenzene, Vinyl Chloride, 1,1-Dichloroethylene, trans-1,2-Dichloroethylene, 1,2-Dichloroethane, 1,1,1-Trichloroethane, Carbon Tetrachloride, 1,2-Dichloropropane, Trichloroethylene (TCE), 1,1,2-Trichloroethane, Tetrachloroethylene (PCE), Chlorobenzene, Benzene, Toluene, Ethylbenzene, Styrene.
Arsenic Rule
Monitoring and Reporting
1 violation, Jan 2022 to Dec 2024
Arsenic Rule
Monitoring and Reporting1 violation, Jan 2022 to Dec 2024
Monitoring and Reporting: 1 violation, Jan 2022 to Dec 2024. The system did not complete required monitoring, or did not report the results on time. This does not show that a contaminant was found.
What the rule requires: Arsenic is a naturally occurring metalloid found in bedrock and soil. It dissolves into groundwater from natural deposits and can also come from mining, smelting and past pesticide use. EPA lowered the MCL from 50 ppb to 10 ppb in 2001.
About this rule
Inorganic Chemicals
Monitoring and Reporting
9 violations, Jan 2022 to Dec 2024 · 9 contaminants
Inorganic Chemicals
Monitoring and Reporting9 violations, Jan 2022 to Dec 2024 · 9 contaminants
Monitoring and Reporting: 9 violations, Jan 2022 to Dec 2024. The system did not complete required monitoring, or did not report the results on time. This does not show that a contaminant was found.
Contaminants on the record: Barium, Cadmium, Chromium, Fluoride, Mercury, Selenium, Antimony, Beryllium, Thallium.
Nitrate Rule
Monitoring and Reporting
1 violation, Jan 2024 to Jan 2026
Nitrate Rule
Monitoring and Reporting1 violation, Jan 2024 to Jan 2026
Monitoring and Reporting: 1 violation, Jan 2024 to Jan 2026. The system did not complete required monitoring, or did not report the results on time. This does not show that a contaminant was found.
What the rule requires: Nitrate (NO₃) is the most common chemical contaminant in US groundwater, entering from fertilizers, septic systems, and animal waste. It is odorless and tasteless — the only way to know if it's present is to test.
About this rule
Public Notice Rule and Revised PN Rule
Other Violation
4 violations, Apr 2026 to Mar 2026 · Public Notification Rule
Public Notice Rule and Revised PN Rule
Other Violation4 violations, Apr 2026 to Mar 2026 · Public Notification Rule
Other Violation: 4 violations, Apr 2026 to Mar 2026. A requirement other than monitoring, reporting, or a contaminant limit, such as public notice or the annual water quality report.
Contaminant on the record: Public Notification Rule.
Lead and copper at the tap
The 90th percentile of the tap samples the system collected in its latest monitoring period, against EPA's action level. Levels vary between homes.
Action level 0.015 mg/L · Jan 2023 to Dec 2025
About this data
Rules violated and the list above come from EPA's SDWIS violation records, one row per violation and contaminant, grouped by the rule each row belongs to. A violation counts when its non-compliance period ended on or after Jul 1, 2023, the start of the thirteen quarters ECHO's three-year figures cover, or is still open; it is unresolved when it was still open at EPA's data refresh on Oct 7, 2026. EPA's rule code 500, "Not Regulated", is left out, as in ECHO's counts. Each rule's violation count is EPA's, and one rule can carry several: a missed monitoring round for a group of contaminants is one violation per contaminant and period. Category names are EPA's violation categories.
ECHO's own summary count of rules violated agrees with this grouping for 98.8% of active systems nationally, and its count of rules being violated for 98.7%; where they differ, the figures here follow the rows listed.
A measured value shown with a rule is the sample result EPA recorded with that violation (SDWIS viol_measure), against the limit EPA recorded on the same row (state_mcl), both in EPA's unit as written; violations without a recorded value, such as missed monitoring, show none. Other measured contaminant levels are not part of this record; each system publishes them in its annual Consumer Confidence Report.
Lead and copper are the newest 90th-percentile results in EPA's SDWA data download (LCR_SAMPLES, codes PB90 and CU90), retrieved on Oct 12, 2026: for each monitoring period a system reports the 90th-percentile value of its tap samples, which EPA compares with its action level of 0.015 mg/L for lead and 1.3 mg/L for copper (40 CFR 141.80). A result is not a measurement of any one tap.
Service area from EPA's Public Water System Service Area Boundaries dataset: Water Utility. The system's location is the centre of the service area EPA publishes for the system.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Texas records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.