Is Pottsboro, TX Tap Water Safe to Drink?
Graded F, with 44 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
41/100
waterverge.com Pottsboro, TX — Water Quality Report
Pottsboro's drinking water received a grade of F (41 out of 100), indicating failing water quality. The city's 3 water systems serve approximately 2,928 residents using purchased surface water.
Lead levels were measured at 0.8 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 62 violations on record, including 2 health-based violations. 44 remain unresolved.
What to know about Pottsboro's water
Pottsboro ranks #992 out of 1067 cities in Texas for water quality, placing it among the lowest-rated 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, Pottsboro may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 38 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Pottsboro, TX water safe to drink?
Pottsboro's drinking water has significant quality concerns based on EPA testing data. With a grade of F (41/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 2,928 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Pottsboro
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Pottsboro's water quality assessment. Grade: F (41/100).
Contaminants: Lead and Copper Rule.
Contaminants: Public Notice.
Contaminants: Lead and Copper Rule, Consumer Confidence Rule, Chlorine.
Federal disaster declaration (FEMA DR-3294). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1606). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Pottsboro's water supply.
Well within EPA limits.
Violation history
Pottsboro's water system has 62 total violations on record, including 2 health-based violations. 44 remain unresolved. 38 violations were issued in the last 5 years.
Flood & environmental risk
Grayson County has experienced 2 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 Red Rv At Denison Dam Nr Denison.
Where does Pottsboro's water come from?
Pottsboro's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 2,928 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Red Rv At Denison Dam Nr Denison (river).
What Pottsboro residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Pottsboro's water.
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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Pottsboro
Industrial polluters nearby
Reported releases to surface water by facilities near Pottsboro, ranked by pounds discharged annually.
Total reported releases to surface water: 177 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
AAAR DENISON I DENISON, TX75020 | Zinc compounds | 175 | 6.7 mi |
DENISON INDUSTRIES DENISON, TX75020 | Copper | 1 | 3.9 mi |
KAISER ALUMINUM FABRICATED PRODUCTS LLC SHERMAN, TX75090 | Lead | 0 | 6.9 mi |
FLORESTONE LLC DENISON, TX75020 | — | — | 7.1 mi |
AAAR DENISON II DENISON, TX75020 | — | — | 6.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D1 — moderate droughtGrayson 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Grayson County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Pottsboro compares by contaminant
Explore where Pottsboro ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Pottsboro's water comes from
Pottsboro'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 2,928 people through 3 water systems.
Water bodies near Pottsboro
Pottsboro is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Pottsboro
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF POTTSBORO | TX0910004 | 2,571 | SWP |
| TEXOMA ESTATES WSC | TX0910047 | 216 | GW |
| AMERICAN LEGION MIA POST 231 | TX0910153 | 141 | SWP |
How Pottsboro compares
Full Texas rankings →Pottsboro's score of 41/100 is on par with the average of 46/100 among major Texas cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Texas rankings →About Pottsboro, TX
Wikipedia →Pottsboro is a town in Grayson County, Texas, United States. Its population was 2,488 at the 2020 census, up from 2,160 at the 2010 census. It is part of the Sherman–Denison metropolitan statistical area.
Learn more about your water
Guides and resources related to Pottsboro's water quality findings.
Explore water quality across Grayson
Frequently asked questions
Is Pottsboro, TX tap water safe to drink?
Pottsboro's water quality earned a grade of F (41/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #992 out of 1067 cities tested in Texas.
What contaminants are in Pottsboro's water?
Lead was measured at 0.8 ppb (90th percentile). 62 violations are on record.
How is Pottsboro'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 Pottsboro?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Pottsboro's water come from?
Pottsboro's water is sourced from Purchased surface water. The city has 3 water systems serving approximately 2,928 residents.
What health violations has Pottsboro's water system had?
Pottsboro has 2 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 44 violations remain unresolved.
How does Pottsboro's water compare to other cities?
Pottsboro ranks #992 out of 1067 cities in Texas (better than 7% of state cities) and #15066 out of 15744 cities nationally (4th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.