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Local water dashboard

Official source aggregation

Water quality in Trinity, TX 75862

Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Trinity County.

Historical measurement record needs context
Largest possible serving system
City Of Trinity
Source water
Groundwater
County
Trinity County
Profile updated

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

At a glance

What the current records say

Utility-reported hardness

Unavailable

Ask your provider or test your tap

All possible systems

No active flag

0 active health-based records

Utility match

1 system

Serves 4,619 people system-wide

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

City Of Trinity

TX2280002 · Groundwater · 4,619 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level
Reported level
0 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jul 1, 2023 to Dec 31, 2023

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
1.36 mg/L
Action level
1.3 mg/L

105% of the listed benchmark

Monitoring period: Jan 1, 2013 to Dec 31, 2013

Violation history (16)
Imported violation history for City Of Trinity
RuleStatusPeriod
E. COLIUnaddressedSep 30, 2025
Public NoticeUnaddressedJun 30, 2025
Public NoticeUnaddressedJul 26, 2024
ChlorineResolvedJan 1, 2024 to Mar 31, 2024
Public NoticeResolvedFeb 1, 2023 to Mar 22, 2023
Public NoticeResolvedJan 11, 2023 to Jan 23, 2023
Lead and Copper RuleResolvedJan 1, 2023 to Jun 30, 2023
Public NoticeResolvedDec 1, 2022 to Feb 18, 2022
Public NoticeResolvedOct 15, 2022 to Apr 6, 2022
Revised Total Coliform RuleResolvedJan 1, 2022 to Jan 31, 2022
Revised Total Coliform RuleResolvedDec 1, 2021 to Dec 31, 2021
Revised Total Coliform RuleResolvedNov 1, 2021 to Nov 30, 2021
ChlorineResolvedOct 1, 2021 to Dec 31, 2021
Revised Total Coliform RuleHealth-basedResolvedJul 3, 2021 to Sep 23, 2021
ChlorineResolvedApr 1, 2021 to Jun 30, 2021
E. COLIUnaddressedJan 1, 2014

Hardness meter

What does nearby environmental evidence show?

Moderately Hard

PPM

104

GPG

6.1

Regional environmental evidence

USGS hardness classification scale

104 PPM

Soft
0–60
Moderate
61–120
Hard
121–180
Very hard
181+

Parts per million

104

mg/L as CaCO₃ equivalent

Grains per gallon

6.1

1 GPG ≈ 17.1 PPM

How to use regional evidence

These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.

USGS sites used

3

Nearest site

21 mi

Observation range

Jun 25, 2024–Aug 8, 2024

Regional evidence confidence

Moderate

Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: UT-60-24-111 (Well).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.

Regional context

Is 75862 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

Trinity median

104 PPM

About the same

1 indexed ZIP readings · Range 104–104 PPM

Texas median

118 PPM

14 PPM lower

741 indexed ZIP readings · Range 5.4–1400 PPM

Evidence-first next steps

Confirm the problem before choosing treatment

This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.

1

Confirm the serving system

ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.

3

Test for the decision you face

Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.

Convert your hardness test result →

Frequently asked

Water questions for Trinity

Is tap water safe in Trinity?+

EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.

How hard is the water?+

Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.

Do I need a water softener?+

Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.