F0/100

LLANO GRANDE LAKE PARK EAST — Water Quality Report 2026

Serving 1,300 people · Texas

Water Source

Purchased Surface Water

County

—

System ID

TX1080034

Violations

Contaminant Test Results

1 contaminant above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Copper (90th percentile)	1.66 mg/L	1.30 mg/L	1.30 mg/L	Over Limit

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 29, 2025Rule: Ground Water RuleVerify on EPA.gov

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 1, 2025 – April 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 29, 2024 – April 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: March 31, 2024 – April 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 29, 2023 – November 16, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: August 17, 2023 – November 13, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: August 13, 2023 – November 13, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – November 16, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 11, 2023 – November 13, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 1, 2023 – June 30, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – March 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – July 7, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – June 30, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 4, 2022 – November 13, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Unresolved

Consumer confidence report — content deficiency

When: October 1, 2022Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – January 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – July 7, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 11, 2022 – November 13, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 11, 2022 – November 13, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Unresolved

Consumer confidence report — content deficiency

When: April 1, 2022Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 2Unresolved

Consumer confidence report — content deficiency

When: March 31, 2022Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – June 30, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2021 – November 16, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Unresolved

Consumer confidence report — inadequate or unavailable

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – January 31, 2023Enforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About LLANO GRANDE LAKE PARK EAST

Is LLANO GRANDE LAKE PARK EAST water safe to drink?

LLANO GRANDE LAKE PARK EAST water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 62 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has LLANO GRANDE LAKE PARK EAST detected?

2 contaminants were tested in LLANO GRANDE LAKE PARK EAST's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).

Does LLANO GRANDE LAKE PARK EAST have any EPA violations?

Yes, LLANO GRANDE LAKE PARK EAST has 62 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, TT. 11 are health-based violations.

How many people does LLANO GRANDE LAKE PARK EAST serve?

LLANO GRANDE LAKE PARK EAST serves approximately 1,300 people, Texas.

What type of water does LLANO GRANDE LAKE PARK EAST provide?

LLANO GRANDE LAKE PARK EAST sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX1080034.

How does LLANO GRANDE LAKE PARK EAST compare to other utilities in Texas?

LLANO GRANDE LAKE PARK EAST scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.