WaterVerge

Is Ferris, TX Tap Water Safe to Drink?

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

3K residents served 1 water system PWSID: TX0700002
Overall Score
75.5 / 100
Violations
8 active
Last Updated
May 2026
Source
Purchased surface water
#485 of 1067 in Texas Top 61% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
75.5/100
waterverge.com
B 75.5/100

Ferris, TX — Water Quality Report

Ferris's drinking water received a grade of B (75.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,070 residents using purchased surface water.

Lead levels were measured at 3.4 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 56 violations on record, including 7 health-based violations. 8 remain unresolved.

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

What to know about Ferris's water

Ferris ranks #485 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, Ferris may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
75.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28.6/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.4 ppb (90th percentile).
Contaminants
16.9/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Ferris, TX water safe to drink?

Concerns Identified

Ferris's drinking water has significant quality concerns based on EPA testing data. With a grade of B (75.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,070 residents using surface water (rivers, lakes, or reservoirs).

8
Active Violations
3.4 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Ferris

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ferris's water quality assessment. Grade: B (75.5/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

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

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

Disaster
TROPICAL STORMS MARCO AND LAURA

Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Public Notice.

Key contaminant findings

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

Lead Within Limits
Detected: 3.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ferris's water system has 56 total violations on record, including 7 health-based violations. 8 remain unresolved. 3 violations were issued in the last 5 years.

OtherTTRPTMRMCL
Most recent violations:
May 2025 Public Notice Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Mar 2019 Public Notice Open
Mar 2019 Public Notice Open

Flood & environmental risk

Ellis County has experienced 4 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 Tenmile Ck At Parkinson Rd Nr Ferris, Cottonwood Ck At E Beltline Rd Nr Wilmer, Red Oak Ck At Fm 813 Nr Palmer.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540
HURRICANE IKE
Hurricane FEMA DR-3294

Where does Ferris's water come from?

Ferris's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,070 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Tenmile Ck At Parkinson Rd Nr Ferris (river), Cottonwood Ck At E Beltline Rd Nr Wilmer (river), Red Oak Ck At Fm 813 Nr Palmer (river).

What Ferris residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Ferris'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
3.4 ppb
EPA Action Level: 15 ppb · 23% of limit
Safe Level
NDMA (N-Nitrosodimethylamine)
Disinfection Byproduct
Over CA PHG
11.0 ng/L
CA Public Health Goal: 10 ng/L · +10% over limit
Over CA PHGProbable CarcinogenUCMR 2 Data (2008–2010)
Compliance Record

Violation summary

56
Total violations
7
Health-based
8
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

56 Total
8 Active
7 Health-based
48 Resolved
Violations by category
Synthetic Organic Chemicals
32
Inorganic Chemicals
14
Public Notice Rule and Revised PN Rule
3
Lead and Copper Rule Revisions
2
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
May 2025 Active
Public Notice
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Mar 2019 Active
Public Notice
Other Violation 0
Mar 2019 Active
Public Notice
Other Violation 0
Aug 2017 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2019 Resolved
Hexachlorocyclopentadiene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Di(2-ethylhexyl) phthalate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
HEXACHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Heptachlor epoxide
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Heptachlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Benzo(a)pyrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Di(2-ethylhexyl) adipate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2019 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Showing 20 of 56 violations
Industrial pollution

Top industrial polluters within 10 miles of Ferris

Industrial polluters nearby

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

Total reported releases to surface water: 0 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
WAXAHACHIE PLANT
Nonmetallic Mineral Product · SMYRNA READY MIX LLC
WAXAHACHIE, TX75165
Lead And Lead Compounds09.2 mi
BRENNTAG SOUTHWEST INC LANC ASTER
Chemical Wholesalers · BRENNTAG NORTH AMERICA INC
LANCASTER, TX75134
6.9 mi
SIKA CORP
Chemicals · SIKA CORP
LANCASTER, TX75134
9.9 mi
AQUATIC CO
Plastics and Rubber · AMERICAN BATH GROUP LLC
LANCASTER, TX75134
6.5 mi
BRASSCRAFT LANCASTER
Fabricated Metals · MASCO CORP
LANCASTER, TX75146
5.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Ellis 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.

15.7%
Months in D2+ (last 30y)
5
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

4
Declared disasters
May 2024
Most recent
Hurricane
Most common type

Ellis County has experienced 4 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
Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.4 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 increased by 1.0 ppb from 1993 (2.4 ppb) to 2023 (3.4 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
3,070
Water Systems
1
Water Source

Where Ferris's water comes from

Purchased Surface Water

Ferris'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 3,070 people through 1 water system.

Local Hydrology

Water bodies near Ferris

Ferris is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Tenmile Ck At Parkinson Rd Nr Ferris
river
Cottonwood Ck At E Beltline Rd Nr Wilmer
river
Red Oak Ck At Fm 813 Nr Palmer
river
Infrastructure

Water systems serving Ferris

System Name PWSID Population Source
CITY OF FERRIS TX0700002 3,070 SWP
Regional Comparison

How Ferris compares

Full Texas rankings →

Ferris's score of 75.5/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Ferris (this city)
75.5
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Ferris, TX

Wikipedia →

Ferris is a city in Dallas and Ellis counties in the U.S. state of Texas. It is 20 miles (32 km) south of downtown Dallas. The population has dramatically flipped from 2,788 in 2020 to 5,081 in 2024.

Economic Profile
$62,036
Median Income
$141,412
Median Home Value
$1,231/mo
Median Rent
0.8%
Unemployment
Community
31.1
Median Age
232
People / sq mi
17.9%
College Educated
58.6%
Homeownership
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Frequently asked questions

Is Ferris, TX tap water safe to drink?

Ferris's water quality earned a grade of B (75.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #485 out of 1067 cities tested in Texas.

What contaminants are in Ferris's water?

Lead was measured at 3.4 ppb (90th percentile). 56 violations are on record.

How is Ferris'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 Ferris?

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

Where does Ferris's water come from?

Ferris's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,070 residents.

What health violations has Ferris's water system had?

Ferris has 7 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

How does Ferris's water compare to other cities?

Ferris ranks #485 out of 1067 cities in Texas (better than 55% of state cities) and #9563 out of 15744 cities nationally (39th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ferris's small water system affect quality?

Ferris's system serves approximately 3,070 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 56 violations on record.