Is Blanchard, OK Tap Water Safe to Drink?
Graded D — but Lead was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
46.6/100
waterverge.com Blanchard, OK — Water Quality Report
Blanchard's drinking water received a grade of D (46.6 out of 100), indicating poor water quality. The city's 3 water systems serve approximately 3,485 residents using purchased surface water.
Lead levels were measured at 17.0 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 91 violations on record, including 12 health-based violations. 21 remain unresolved.
What to know about Blanchard's water
Blanchard ranks #289 out of 358 cities in Oklahoma 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.
Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.
The system has seen 20 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Blanchard, OK water safe to drink?
Blanchard's drinking water has significant quality concerns based on EPA testing data. With a grade of D (46.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 3,485 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Blanchard
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Blanchard's water quality assessment. Grade: D (46.6/100).
Contaminants: Chloramine, Revised Total Coliform Rule.
Contaminants: Consumer Confidence Rule.
2 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-794). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Blanchard's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Violation history
Blanchard's water system has 91 total violations on record, including 12 health-based violations. 21 remain unresolved. 20 violations were issued in the last 5 years.
Flood & environmental risk
McClain County has experienced 5 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Blanchard's water come from?
Blanchard's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 3,485 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Blanchard residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Blanchard'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Blanchard'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
Top industrial polluters within 10 miles of Blanchard
Industrial polluters nearby
Reported releases to surface water by facilities near Blanchard, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
IRON HORSE PROCESSING PLANT AMBER, OK73004 | — | — | 7.3 mi |
BRAINERD CHEMICAL CO. INC.- TUTTLE TUTTLE, OK73089 | — | — | 9.2 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtMcClain County is currently in D3 (extreme 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
McClain County has experienced 5 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Blanchard's water supply, we recommend the following filter types.
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. | 17.0 | 15 | ppb | Inorganic | Over Limit |
Lead level trend (90th percentile)
See how Blanchard compares by contaminant
Explore where Blanchard ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Blanchard's water comes from
Blanchard'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 3,485 people through 3 water systems.
Water systems serving Blanchard
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BLANCHARD | OK3004710 | 2,966 | SWP |
| COLE | OK3004708 | 473 | SWP |
| WINTER CREEK WATER COMPANY, LLC | OK4002663 | 46 | GW |
How Blanchard compares
Full Oklahoma rankings →Blanchard's score of 46.6/100 is on par with the average of 45/100 among major Oklahoma cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →About Blanchard, OK
Learn more about your water
Guides and resources related to Blanchard's water quality findings.
Explore water quality across Mcclain
Frequently asked questions
Is Blanchard, OK tap water safe to drink?
Blanchard's water quality earned a grade of D (46.6/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #289 out of 358 cities tested in Oklahoma.
What contaminants are in Blanchard's water?
Lead was measured at 17.0 ppb (90th percentile). 91 violations are on record.
How is Blanchard'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 Blanchard?
Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Blanchard's water come from?
Blanchard's water is sourced from Purchased surface water. The city has 3 water systems serving approximately 3,485 residents.
What health violations has Blanchard's water system had?
Blanchard has 12 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 21 violations remain unresolved.
How does Blanchard's water compare to other cities?
Blanchard ranks #289 out of 358 cities in Oklahoma (better than 19% of state cities) and #13855 out of 15744 cities nationally (12th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.