Public water system record

Tanglewood Forest Subdivision

Serves an area of San Jacinto County, TX · 118 people served

Federal records show 2 health-based violations and 5 monitoring/reporting issues for Tanglewood Forest Subdivision in the last ten years. The most serious issue in this window was a resolved Arsenic violation.

  • TX2040054
  • CYPRESS
  • TX
  • 118 served

System profile

Source water Groundwater
ZIP 77429
EPA system ID TX2040054

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Tanglewood Forest Subdivision draws water from 2 wells.
  • Highest measured level in the last 10 years: Arsenic, 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit), 2021.
  • Most recent formal enforcement: compliance order (no penalty) by Texas, June 2024.
  • Record on file since 1999, with 35 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 42 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
330 Oct 1, 2021 Resolved No
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
330 Jul 1, 2021 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Public Notice
OTHER
Apr 22, 2022 Resolved
Public Notice
OTHER
Oct 26, 2018 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2016 Resolved

Full record since 1999

EPA's records for Tanglewood Forest Subdivision go back to 1999. Before October 19, 2016 they list 35 health-based violations (35 resolved) and 14 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 3 3
2010 to October 18, 2016 32 10
October 19, 2016 to 2019 0 2
2020s 2 2

Most recent health-based violation before October 19, 2016: Gross Alpha, Excl. Radon and U, began October 2015, Resolved.

Show all 35 health-based violations before October 19, 2016
Contaminant Start date Status
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 26 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
Oct 1, 2015 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
Oct 1, 2015 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 44 pCi/L, federal limit 15 pCi/L (2.9 times the limit)
Jul 1, 2015 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
Jul 1, 2015 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 5 pCi/L (3.4 times the limit)
Apr 1, 2015 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 85 pCi/L, federal limit 15 pCi/L (5.7 times the limit)
Apr 1, 2015 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 86 pCi/L, federal limit 15 pCi/L (5.7 times the limit)
Jan 1, 2015 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 22 pCi/L, federal limit 5 pCi/L (4.4 times the limit)
Jan 1, 2015 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 23 pCi/L, federal limit 5 pCi/L (4.6 times the limit)
Oct 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 93 pCi/L, federal limit 15 pCi/L (6.2 times the limit)
Oct 1, 2014 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 23 pCi/L, federal limit 5 pCi/L (4.6 times the limit)
Jul 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 96 pCi/L, federal limit 15 pCi/L (6.4 times the limit)
Jul 1, 2014 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 5 pCi/L (4.8 times the limit)
Apr 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 88 pCi/L, federal limit 15 pCi/L (5.9 times the limit)
Apr 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 92 pCi/L, federal limit 15 pCi/L (6.1 times the limit)
Jan 1, 2014 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 22 pCi/L, federal limit 5 pCi/L (4.4 times the limit)
Jan 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 89 pCi/L, federal limit 15 pCi/L (5.9 times the limit)
Oct 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 22 pCi/L, federal limit 5 pCi/L (4.4 times the limit)
Oct 1, 2013 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 94 pCi/L, federal limit 15 pCi/L (6.3 times the limit)
Jul 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 22 pCi/L, federal limit 5 pCi/L (4.4 times the limit)
Jul 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 22 pCi/L, federal limit 5 pCi/L (4.4 times the limit)
Apr 1, 2013 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 93 pCi/L, federal limit 15 pCi/L (6.2 times the limit)
Apr 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 5 pCi/L (4.8 times the limit)
Jan 1, 2013 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 89 pCi/L, federal limit 15 pCi/L (5.9 times the limit)
Jan 1, 2013 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 84 pCi/L, federal limit 15 pCi/L (5.6 times the limit)
Oct 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 5 pCi/L (4.8 times the limit)
Oct 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 5 pCi/L (3.4 times the limit)
Jul 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 57 pCi/L, federal limit 15 pCi/L (3.8 times the limit)
Jul 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 38 pCi/L, federal limit 15 pCi/L (2.5 times the limit)
Apr 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
Apr 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
Jan 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Jan 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.010875 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.01135 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Jul 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Apr 1, 2009 Resolved

Enforcement actions

Texas regulators and EPA took 2 formal enforcement actions against Tanglewood Forest Subdivision between 2013 and 2024. The most recent was a compliance order (no penalty) in June 2024.

Date By Action Violations covered
Jun 18, 2024 Texas Compliance order (no penalty) 2 violations (2 health-based): Arsenic
Aug 23, 2013 EPA Compliance order (no penalty) 37 violations (32 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Public Notice

What the violations mean

Arsenic

2 incidents

Arsenic exceeded the federal limit

Long-term arsenic exposure is linked to cancer and cardiovascular effects

Where the water comes from

Tanglewood Forest Subdivision draws water from 2 wells.

Annual water quality report

Tanglewood Forest Subdivision must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Tanglewood Forest Subdivision for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.