WaterVerge

Is Elmo, TX Tap Water Safe to Drink?

Graded B- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 1 water system PWSID: TX1290013
Overall Score
71.7 / 100
Violations
23 active
Last Updated
May 2026
Source
Purchased surface water
#550 of 1067 in Texas Top 67% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
71.7/100
waterverge.com
B- 71.7/100

Elmo, TX — Water Quality Report

Elmo's drinking water received a grade of B- (71.7 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,475 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 38 violations on record, including 4 health-based violations. 23 remain unresolved.

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

What to know about Elmo's water

Elmo ranks #550 out of 1067 cities in Texas for water quality, placing it below average 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, Elmo may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
71.7 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Elmo, TX water safe to drink?

Concerns Identified

Elmo's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (71.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,475 residents using surface water (rivers, lakes, or reservoirs).

23
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Elmo

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Elmo's water quality assessment. Grade: B- (71.7/100).

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

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

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Public Notice, Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Disaster
HURRICANE IKE

Federal disaster declaration (FEMA DR-3294). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.37 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Elmo's water system has 38 total violations on record, including 4 health-based violations. 23 remain unresolved.

MROtherMONTTMCL
Most recent violations:
Dec 2020 Lead and Copper Rule Open
Oct 2020 Public Notice Open
Oct 2020 Chlorine Resolved
Jul 2020 Chlorine Resolved
May 2020 Revised Total Coliform Rule Resolved

Flood & environmental risk

Kaufman 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 New Terrell City Lk Nr Terrell.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
HURRICANE IKE
Hurricane FEMA DR-3294
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Elmo's water come from?

Elmo's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,475 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include New Terrell City Lk Nr Terrell (lake).

What Elmo residents can do

Install a water filter

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

Elmo'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
Copper (90th percentile)
Inorganic
Over Limit
1.37 mg/L
EPA Action Level: 1.3 mg/L · +6% over limit
Exceeds Limit
Compliance Record

Violation summary

38
Total violations
4
Health-based
23
Active / unresolved
Dec 2020
Most recent violation
Compliance Record

Violations & advisories

38 Total
23 Active
4 Health-based
15 Resolved
Violations by category
Lead and Copper Rule
15
Public Notice Rule and Revised PN Rule
11
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Revised Total Coliform Rule
3
Total Coliform Rule
3
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2020 Active
Public Notice
Other Violation 0
May 2019 Active
Public Notice
Other Violation 0
Apr 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2019 Active
Public Notice
Other Violation 0
Oct 2018 Active
Public Notice
Other Violation 0
Oct 2018 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Sep 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2018 Active
Public Notice
Other Violation 0
Jun 2018 Active
Public Notice
Other Violation 0
Apr 2018 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Apr 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2018 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 2018 Active
Public Notice
Other Violation 0
Jan 2018 Active
Public Notice
Other Violation 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2017 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Dec 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 38 violations
Industrial pollution

Top industrial polluters within 10 miles of Elmo

Industrial polluters nearby

Reported releases to surface water by facilities near Elmo, ranked by pounds discharged annually.

Total reported releases to surface water: 1 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
CONECSUS LLC
Primary Metals · CONECSUS LLC
TERRELL, TX75160
Arsenic compounds09.5 mi
TXI-WILLS POINT READY MIX
Nonmetallic Mineral Product · MARTIN MARIETTA MATERIALS INC
WILLS POINT, TX75169
Lead compounds09.1 mi
FXI INC. - TERRELL
Plastics and Rubber · FXI INC
TERRELL, TX75160
7.2 mi
POWERLAB INC.
Chemicals · POWERLAB INC
TERRELL, TX75160
7.3 mi
OLDCASTLE BUILDING ENVELOPE - TEXAS FACILITY
Primary Metals · KPS CAPITAL PARTNERS
TERRELL, TX75160
7.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Elmo

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D1 — moderate drought

Kaufman County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

17.5%
Months in D2+ (last 30y)
10
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

3
Declared disasters
May 2024
Most recent
Hurricane
Most common type

Kaufman 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
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Recommended water filters

Based on contaminants detected in Elmo's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.37 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.4 ppb from 1993 (3.4 ppb) to 2023 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 1.373 mg/L (2017)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,475
Water Systems
1
Water Source

Where Elmo's water comes from

Purchased Surface Water

Elmo'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 2,475 people through 1 water system.

Local Hydrology

Water bodies near Elmo

Elmo is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

New Terrell City Lk Nr Terrell
lake
Infrastructure

Water systems serving Elmo

System Name PWSID Population Source
ELMO WSC TX1290013 2,475 SWP
Regional Comparison

How Elmo compares

Full Texas rankings →

Elmo's score of 71.7/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Elmo (this city)
71.7
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
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Frequently asked questions

Is Elmo, TX tap water safe to drink?

Elmo's water quality earned a grade of B- (71.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #550 out of 1067 cities tested in Texas.

What contaminants are in Elmo's water?

Lead was measured at 0.0 ppb (90th percentile). 38 violations are on record.

How is Elmo'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 Elmo?

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

Where does Elmo's water come from?

Elmo's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,475 residents.

What health violations has Elmo's water system had?

Elmo has 4 health-based violations on record. The most recent violation was recorded in December 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 23 violations remain unresolved.

How does Elmo's water compare to other cities?

Elmo ranks #550 out of 1067 cities in Texas (better than 48% of state cities) and #10504 out of 15744 cities nationally (33th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Elmo's small water system affect quality?

Elmo's system serves approximately 2,475 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 38 violations on record.