System Snapshot
Available system-level context
This snapshot shows the identity and context fields currently available for San Antonio Water System (PWSID TX0150018). Read it with the source links and limitations below.
System identity
- PWSID
- TX0150018
- State
- Texas
- Linked communities
- Terrell Hills, Olmos Park, and Helotes
- County context
- Not listed in current record
- System type
- Public water system
- Source water
- Groundwater and surface water
- Population served context
- Not listed in current record
- Service connections
- Not listed in current record
- Latest reviewed report
- 2026 report link found
- Data updated
- 2026-06-08
A source-backed population-served value is not currently shown for this system. City population should not be used as a substitute for the public water system population.
Read these as system-level fields from reviewed public records. Confirm provider and address-specific questions with official utility, city, state, or EPA sources.
Report-Listed Rows
Report-listed rows summarized from the latest reviewed report
2 report-listed rows are summarized for San Antonio Water System. A listed row is not the same thing as a current advisory or household tap result.
- Report year
- 2026
- Rows summarized
- 2
- Source tables represented
- 2
- Scope
- Past reporting period
| Substance and testing period | Reported value | Range in report | Limit or standard | Source table | Report-printed status |
|---|---|---|---|---|---|
| LeadTesting period: 2024Sites above action level0 | 1.6 ppb90th Percentile | Not listed in this summarized entry | Action level: 15; MCLG: 0 | Lead and Copper — Monitoring Done at Customers' TapsPage 3Typical source, as printed: Corrosion of household plumbing systems; erosion of natural deposits | Violation: No, as printed for this sample period |
| Nitrate [measured as Nitrogen]Testing period: 2025 | 2.45 ppmHighest Level Detected | <0.25 - 2.45 | MCL: 10; MCLG: 10 | Inorganic Contaminants — Monitored at the Water PlantsPage 3Typical source, as printed: Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits | Violation: No, as printed for this sample period |
Report row
Lead
- Range in report
- Not listed in this summarized entry
- 90th Percentile
- 1.6 ppb
- Testing period
- 2024
- Sites above action level
- 0
- Limit or standard
- Action level: 15; MCLG: 0
- Report-printed status
- Violation: No, as printed for this sample period
Report row
Nitrate [measured as Nitrogen]
- Range in report
- <0.25 - 2.45 ppm
- Highest Level Detected
- 2.45 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCL: 10; MCLG: 10
- Report-printed status
- Violation: No, as printed for this sample period
Source report notes
Source: San Antonio Water System 2026 Water Quality Report. Retrieved 2026-07-23.
- Applies to: Lead
reported 2024 action-level row transcribed from linked report page 3. It does not describe a specific household tap, service line, or current condition.
- Applies to: Nitrate [measured as Nitrogen]
reported row transcribed from linked report page 3. Printed fields describe the row sample period and are not a present-day safety or compliance conclusion.
Review the linked source report for definitions, footnotes, and official wording.
Violation Records
Violation records shown on this page
This section shows 0 system-scoped violation detail records currently included for San Antonio Water System. Annual reports and current notices can use different timing and terminology.
No system-scoped violation detail records are included in the available reviewed records for this system. This is not an official compliance finding. Check the official utility, state, or EPA source for current compliance and notice information.
Important limitation
Profile summary note
This page summarizes public records reviewed by this site. It does not replace official notices, utility updates, or state drinking water information.
System profile limitations
- This record is based on the official City of Terrell Hills Services & Utilities page, official Olmos Park provider context, official Helotes utility and address-verification context, the SAWS water-quality report archive, the official 2026 SAWS Water Quality Report, TCEQ verification path, and an EPA ECHO identity cross-check reviewed on June 8, 2026.
- Address-level service can vary. Confirm the serving provider with a bill, account portal, utility, city, or state source.
- Population served was not listed from a primary city/utility report source; the local record omits the value rather than storing zero as a population count.
- Source water is summarized from the 2026 SAWS report as groundwater and surface water, including aquifer groundwater sources and, in some areas, surface water from Canyon Lake. This is report context, not a complete source-water inventory.
- This page may show summarized entries from available annual reports. It does not include a complete historical contaminant table.
- This page shows summarized entries from the available report. It does not include a complete contaminant or violation table.
- Missing fields are not findings. They mean the field is not shown on this page from the records currently available.
- This page summarizes available public records. It may not include every update, notice, or urgent official advisory.
Latest Reviewed Report
Latest reviewed report found by this site
The 2026 report found for San Antonio Water System summarizes a past reporting period. It is not a live alert page.
2026 Water Quality Report
Open 2026 water quality report (opens in a new tab)The 2026 report link is available for San Antonio Water System. Use the linked source report for the full table, definitions, footnotes, and official context. This page includes summarized entries from the available report. They are not a complete copy of the report table.
Read the 2026 annual report summary
- Report year
- 2026
- Summarized entries shown
- 2
- Source name
- San Antonio Water System 2026 Water Quality Report
- Source URL
- Open report source
- Source retrieved
- 2026-07-23
- Last reviewed
- 2026-07-23
Use the linked source report for the full table, definitions, footnotes, and official context.
Data coverage
This page summarizes selected public records for this public water system. It may not include every report, update, current notice, or address-level service detail.
- Latest reviewed report
- 2026 report link found
- Report-listed rows
- 2 summarized report entries shown
- Detailed violation records
- No detailed system-scoped records displayed
- Population served
- Not listed in current record
- Service connections
- Not listed in current record
- City context
- Terrell Hills, Olmos Park, and Helotes
- County context
- Not listed in current record
Local Context
City and state context for this system
San Antonio Water System is linked here to Terrell Hills, Olmos Park, and Helotes for navigation. That relationship does not confirm the provider for a specific address; use a bill, utility portal, or official lookup source.
Linked local context
- Linked communities
- Terrell Hills, Olmos Park, and Helotes
- County context
- Not listed in current record
- State context
- Texas
Browse related context
- Terrell Hills city hub
- Olmos Park city hub
- Helotes city hub
- Texas state hub
- Texas water system directory
County context is shown as a field when it appears in the current record. County pages are not currently available on this site.
Corrections
Suggest a correction or newer source
If you have a newer official report, utility source, or correction, send the source link for review. This helps keep profile summaries tied to public records.
Suggest an updateEvidence
Official sources and report links
Use official federal, state, utility, or report sources before treating a page as final.
Utility report
Data methodology
Review source hierarchy, missing-data handling, and record limitations.
View Data methodologyData limitations
See why limited records, missing fields, and current notices need careful interpretation.
View Data limitations