Is Winslow, AR Tap Water Safe to Drink?
Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.9/100
Winslow, AR — Water Quality Report
Winslow's drinking water received a grade of A- (88.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,433 residents using purchased surface water.
Lead levels were measured at 2.0 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 12 violations on record, including 0 health-based violations. 3 remain unresolved.
What to know about Winslow's water
Winslow ranks #113 out of 345 cities in Arkansas 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, Winslow may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Winslow, AR water safe to drink?
Winslow's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,433 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Winslow
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Winslow's water quality assessment. Grade: A- (88.9/100).
Federal disaster declaration (FEMA DR-3541). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4460). Flood event — may have impacted local water infrastructure.
Contaminants: Revised Total Coliform Rule.
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Winslow's water supply.
Well within EPA limits.
Violation history
Winslow's water system has 12 total violations on record, including 0 health-based violations. 3 remain unresolved.
Flood & environmental risk
Washington County has experienced 6 federally declared disasters since 1969. 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 Jones Creek At Winfrey, Frog Bayou At Winfrey, Jack Creek Near Winfrey.
Where does Winslow's water come from?
Winslow's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,433 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Jones Creek At Winfrey (river), Frog Bayou At Winfrey (river), Jack Creek Near Winfrey (river).
What Winslow residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Winslow'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.
Winslow'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D1 — moderate droughtWashington 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
Washington County has experienced 6 federally declared disasters since 1969. 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. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Winslow compares by contaminant
Explore where Winslow ranks among all Arkansas cities for specific contaminants.
Water source & infrastructure
Where Winslow's water comes from
Winslow'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 1,433 people through 1 water system.
Water bodies near Winslow
Winslow is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Winslow
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WINSLOW WATERWORKS | AR0000332 | 1,433 | SWP |
How Winslow compares
Full Arkansas rankings →Winslow's score of 88.9/100 is above the average of 75/100 among major Arkansas cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Arkansas rankings →About Winslow, AR
Learn more about your water
Guides and resources related to Winslow's water quality findings.
Explore water quality across Washington
Frequently asked questions
Is Winslow, AR tap water safe to drink?
Winslow's water quality earned a grade of A- (88.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #113 out of 345 cities tested in Arkansas.
What contaminants are in Winslow's water?
Lead was measured at 2.0 ppb (90th percentile). 12 violations are on record.
How is Winslow'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 Winslow?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Winslow's water come from?
Winslow's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,433 residents.
How does Winslow's water compare to other cities?
Winslow ranks #113 out of 345 cities in Arkansas (better than 67% of state cities) and #3175 out of 15744 cities nationally (80th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Winslow's small water system affect quality?
Winslow's system serves approximately 1,433 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 12 violations on record.