WaterVerge

Is Olden, TX Tap Water Safe to Drink?

Graded B, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

783 residents served 1 water system PWSID: TX0670020
Overall Score
78.8 / 100
Violations
9 active
Last Updated
May 2026
Source
Purchased surface water
#395 of 1067 in Texas Top 54% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.8/100
waterverge.com
B 78.8/100

Olden, TX — Water Quality Report

Olden's drinking water received a grade of B (78.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 783 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 32 violations on record, including 21 health-based violations. 9 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Olden's water

Olden ranks #395 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Olden may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
78.8 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.8/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Olden, TX water safe to drink?

Concerns Identified

Olden's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 783 residents using surface water (rivers, lakes, or reservoirs).

9
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Olden

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Olden's water quality assessment. Grade: B (78.8/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: TTHM.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4272). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Olden's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Olden's water system has 32 total violations on record, including 21 health-based violations. 9 remain unresolved.

MCLOtherMR
Most recent violations:
Apr 2018 TTHM Resolved
Apr 2018 TTHM Resolved
Jan 2018 TTHM Resolved
Jan 2018 Total Haloacetic Acids (HAA5) Resolved
Dec 2017 Public Notice Open

Flood & environmental risk

Eastland County has experienced 3 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Lk Eastland Nr Eastland, Leon Res Nr Ranger.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
SEVERE STORMS AND FLOODING
Flood FEMA DR-4272
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Olden's water come from?

Olden's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 783 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Lk Eastland Nr Eastland (lake), Leon Res Nr Ranger (lake).

What Olden residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Olden's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Olden's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

32
Total violations
21
Health-based
9
Active / unresolved
Apr 2018
Most recent violation
Compliance Record

Violations & advisories

32 Total
9 Active
21 Health-based
23 Resolved
8 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Stage 2 Disinfectants and Disinfection Byproducts Rule
11
Public Notice Rule and Revised PN Rule
6
Lead and Copper Rule
2
Dec 2017 Active
Public Notice
Other Violation 0
Mar 2017 Active
Public Notice
Other Violation 0
Jan 2017 Active
Public Notice
Other Violation 0
Oct 2016 Active
Public Notice
Other Violation 0
Dec 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2011 Active
Public Notice
Other Violation 0
Dec 2011 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Apr 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2018
Apr 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2018
Jan 2018 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2018
Jan 2018 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Mar 2018
Oct 2017 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2017
Oct 2017 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2017
Jul 2017 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2017
Jul 2017 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Sep 2017
Jul 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Jul 2016 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2016
Apr 2016 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2016
Showing 20 of 32 violations
Environmental Risk

Flood & disaster history

3
Declared disasters
May 2024
Most recent
Flood
Most common type

Eastland County has experienced 3 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.3 ppb from 1994 (5.3 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
783
Water Systems
1
Water Source

Where Olden's water comes from

Purchased Surface Water

Olden's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 783 people through 1 water system.

Local Hydrology

Water bodies near Olden

Olden is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Lk Eastland Nr Eastland
lake
Leon Res Nr Ranger
lake
Infrastructure

Water systems serving Olden

System Name PWSID Population Source
OLDEN WSC TX0670020 783 SWP
Regional Comparison

How Olden compares

Full Texas rankings →

Olden's score of 78.8/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Olden (this city)
78.8
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Olden, TX

Wikipedia →

Olden is an unincorporated community in Eastland County, Texas, United States. Olden has a post office, with the ZIP code 76466.

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Frequently asked questions

Is Olden, TX tap water safe to drink?

Olden's water quality earned a grade of B (78.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #395 out of 1067 cities tested in Texas.

What contaminants are in Olden's water?

Lead was measured at 0.0 ppb (90th percentile). 32 violations are on record.

How is Olden's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Olden?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Olden's water come from?

Olden's water is sourced from Purchased surface water. The city has 1 water system serving approximately 783 residents.

What health violations has Olden's water system had?

Olden has 21 health-based violations on record. The most recent violation was recorded in April 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

How does Olden's water compare to other cities?

Olden ranks #395 out of 1067 cities in Texas (better than 63% of state cities) and #8522 out of 15744 cities nationally (46th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Olden's small water system affect quality?

Olden's system serves approximately 783 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 32 violations on record.