Mountain Peak SUD

Published drinking-water records and contacts for Mountain Peak SUD. System TX0700042. Review sources and dates; not a real-time water assessment.

System ID: TX0700042
State or territory: TX
Published population served: 23988
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 480 — 2023-09-19 – 2024-12-05
Lead and copper monitoring summaries: 18 — 1993-01-01 – 2024-12-31

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2024-12-05	Joe Pool Lake SW / EP005
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-12-05	Joe Pool Lake SW / EP005
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-12-05	Joe Pool Lake SW / EP005
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-12-05	Joe Pool Lake SW / EP005
ADONA	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-12-05	Joe Pool Lake SW / EP005
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-06-12	Joe Pool Lake SW / EP005
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-12-05	Joe Pool Lake SW / EP005
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-06-12	Well 4 Vista Ridge / EP004
PFBA	0.0086 µg/L	0.005 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFBS	0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFDA	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFHxA	0.0041 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFNA	< 0.004 µg/L	0.004 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFOA	< 0.004 µg/L	0.004 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFOS	< 0.004 µg/L	0.004 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFPeA	0.0041 µg/L	0.003 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-12-05	Joe Pool Lake SW / EP005
PFTA	< 0.008 µg/L	0.008 µg/L	2024-06-12	Well 4 Vista Ridge / EP004
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-06-12	Well 4 Vista Ridge / EP004
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-12-05	Joe Pool Lake SW / EP005
lithium	< 9 µg/L	9 µg/L	2024-06-12	Joe Pool Lake SW / EP005

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0.00198 mg/L	2024-07-01 – 2024-12-31	2026Q3
Lead (PB90)	0.00327 mg/L	2024-01-01 – 2024-06-30	2026Q3
Lead (PB90)	0.00298 mg/L	2021-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0.0014 mg/L	2018-01-01 – 2020-12-31	2026Q3
Lead (PB90)	0 mg/L	2015-01-01 – 2017-12-31	2026Q3
Lead (PB90)	0.0037 mg/L	2012-01-01 – 2014-12-31	2026Q3
Lead (PB90)	0.00154 mg/L	2009-01-01 – 2011-12-31	2026Q3
Lead (PB90)	0.0026 mg/L	2006-01-01 – 2008-12-31	2026Q3

Published compliance history

9 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Lead and Copper Rule Revisions / Notification, Known or Potential LSL	2025-07-02 – —	Resolved	No	2026Q3
Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation	2019-10-27 – —	Resolved	No	2026Q3
Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation	2019-09-16 – —	Unaddressed	No	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average	2019-07-01 – 2019-09-30	Resolved	Yes	2026Q3
Ground Water Rule / Monitoring, Source Water (GWR)	2018-05-26 – —	Resolved	No	2026Q3
Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation	2016-12-11 – —	Resolved	No	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	2004-12-01 – 2004-12-31	Archived	Yes	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1991-08-01 – 1991-08-31	Archived	Yes	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Acute (TCR)	1991-06-01 – 1991-06-30	Archived	Yes	2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17

Administrative contact (EPA filing)

Bryant, Clyde: 972-775-3765

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records