Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 3,192 people (1,091 connections) with surface water from its own intake, and buys water from CLWSC Canyon Lake Shores.
From EPA's record for TX0160002. PurityMap is independent of City of Blanco.
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22 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 0.107 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.101 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.099 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 0.111 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 0.112 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 0.12 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 0.115 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.111 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.111 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.1 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.109 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.104 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2019 | Total trihalomethanes (TTHM) | 0.098 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2019 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2017 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
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Follow this water →City of Blanco's phone number on EPA record is 830-833-4525. Its mailing address is PO BOX 750, BLANCO, TX 78606-0750.
According to EPA's record, City of Blanco uses surface water from its own intake, and buys water from CLWSC Canyon Lake Shores.
EPA's record shows 22 health-based violations for City of Blanco in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA also lists 32 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in City of Blanco's latest lead and copper round, which ended in December 2023, was 0.97 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for City of Blanco. Its phone number on EPA record is 830-833-4525. Its mailing address on EPA record is PO BOX 750, BLANCO, TX 78606-0750. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.