Is Marland, OK Tap Water Safe to Drink?
Graded D+, with 28 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
54.1/100
waterverge.com Marland, OK — Water Quality Report
Marland's drinking water received a grade of D+ (54.1 out of 100), indicating poor water quality. The city's 3 water systems serve approximately 517 residents using groundwater.
Lead levels were measured at 3.3 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 86 violations on record, including 10 health-based violations. 28 remain unresolved.
What to know about Marland's water
Marland ranks #168 out of 358 cities in Oklahoma for water quality, placing it mid-range in the state.
Marland relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Marland may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 14 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Marland, OK water safe to drink?
Marland's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (54.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 517 residents using groundwater (wells).
Recent water quality updates for Marland
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Marland's water quality assessment. Grade: D+ (54.1/100).
Contaminants: Consumer Confidence Rule.
3 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-3411). 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 Marland's water supply.
Well within EPA limits.
Violation history
Marland's water system has 86 total violations on record, including 10 health-based violations. 28 remain unresolved. 14 violations were issued in the last 5 years.
Flood & environmental risk
Noble County has experienced 4 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 Marland's water come from?
Marland's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 517 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Marland residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Marland'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.
Marland'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 Marland
Industrial polluters nearby
Reported releases to surface water by facilities near Marland, ranked by pounds discharged annually.
Total reported releases to surface water: 3,138 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
PHILLIPS 66 PONCA CITY SITE PONCA CITY, OK746017501 | Ammonia | 3,128 | 9.9 mi |
OGE ENERGY CORP SOONER GENERATING STATION RED ROCK, OK74651 | Barium And Barium Compounds | 11 | 8.3 mi |
JUPITER SULPHUR LLC PONCA CITY, OK74601 | — | — | 9.0 mi |
CONTINENTAL CARBON CO PONCA CITY OK PLANT PONCA CITY, OK74601 | — | — | 8.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtNoble County is currently in D2 (severe 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
Noble County has experienced 4 federally declared disasters since 1973. 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. | 3.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Marland compares by contaminant
Explore where Marland ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Marland's water comes from
Marland's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 517 people through 3 water systems.
Water systems serving Marland
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MARLAND | OK2005204 | 325 | GW |
| NOBLE CO RWD # 4 | OK3005201 | 142 | GWP |
| KAY COUNTY RWD #2 | OK3003604 | 50 | SWP |
How Marland compares
Full Oklahoma rankings →Marland's score of 54.1/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →About Marland, OK
Learn more about your water
Guides and resources related to Marland's water quality findings.
Explore water quality across Noble
Frequently asked questions
Is Marland, OK tap water safe to drink?
Marland's water quality earned a grade of D+ (54.1/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #168 out of 358 cities tested in Oklahoma.
What contaminants are in Marland's water?
Lead was measured at 3.3 ppb (90th percentile). 86 violations are on record.
How is Marland'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 Marland?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Marland's water come from?
Marland's water is sourced from Groundwater. The city has 3 water systems serving approximately 517 residents.
What health violations has Marland's water system had?
Marland has 10 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 28 violations remain unresolved.
Is Marland's groundwater at risk of contamination?
Marland uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 86 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Marland's water compare to other cities?
Marland ranks #168 out of 358 cities in Oklahoma (better than 53% of state cities) and #12635 out of 15744 cities nationally (20th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.