Is Crowder, OK Tap Water Safe to Drink?
Graded C+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
66.5/100
waterverge.com Crowder, OK — Water Quality Report
Crowder's drinking water received a grade of C+ (66.5 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,203 residents using 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 135 violations on record, including 91 health-based violations. 6 remain unresolved.
What to know about Crowder's water
Crowder ranks #133 out of 358 cities in Oklahoma 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.
Haloacetic acid (HAA5) levels were elevated at 31.1 µg/L in UCMR 4 testing, though below the 60 µg/L EPA limit. Activated carbon filtration can help reduce these disinfection byproducts.
As a small community water system, Crowder may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Crowder, OK water safe to drink?
Crowder's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (66.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,203 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Crowder
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Crowder's water quality assessment. Grade: C+ (66.5/100).
1 health-based. Contaminants: CARBON, TOTAL.
Contaminants: Interim Enhanced Surface Water Treatment Rule.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-1754). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Crowder's water supply.
Well within EPA limits.
Violation history
Crowder's water system has 135 total violations on record, including 91 health-based violations. 6 remain unresolved. 8 violations were issued in the last 5 years.
Flood & environmental risk
Pittsburg County has experienced 5 federally declared disasters since 1972. 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 Crowder's water come from?
Crowder's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,203 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Crowder residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Crowder'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.
Crowder'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 droughtPittsburg 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
Pittsburg County has experienced 5 federally declared disasters since 1972. 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Crowder compares by contaminant
Explore where Crowder ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Crowder's water comes from
Crowder'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 2,203 people through 1 water system.
Water systems serving Crowder
| System Name | PWSID | Population | Source |
|---|---|---|---|
| PITTSBURG CO. PWA (CROWDER) | OK1020603 | 2,203 | SW |
How Crowder compares
Full Oklahoma rankings →Crowder's score of 66.5/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →About Crowder, OK
Wikipedia →On April 19, 1995, American anti-government extremist Timothy McVeigh, assisted by Terry Nichols, detonated a makeshift bomb stored in a rental truck parked in front of the Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma, in an act of domestic terrorism. The attack killed 167 people, injured 684, and destroyed more than a third of the building. The attack also destroyed or damaged 324 other buildings, destroyed 86 vehicles and caused an estimated $652 million in damage. During rescue operations after the bombing, a rescue worker was killed after being struck on the head by falling debris, bringing the total death toll to 168. The bombing remains the deadliest act of domestic terrorism in U.S. history.
Learn more about your water
Guides and resources related to Crowder's water quality findings.
Explore water quality across Pittsburg
Frequently asked questions
Is Crowder, OK tap water safe to drink?
Crowder's water quality earned a grade of C+ (66.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #133 out of 358 cities tested in Oklahoma.
What contaminants are in Crowder's water?
Lead was measured at 0.0 ppb (90th percentile). 135 violations are on record.
How is Crowder'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 Crowder?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Crowder's water come from?
Crowder's water is sourced from Surface water. The city has 1 water system serving approximately 2,203 residents.
What health violations has Crowder's water system had?
Crowder has 91 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. 6 violations remain unresolved.
How does Crowder's water compare to other cities?
Crowder ranks #133 out of 358 cities in Oklahoma (better than 63% of state cities) and #11366 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Crowder's small water system affect quality?
Crowder's system serves approximately 2,203 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 135 violations on record.