WaterVerge

Is Schulter, OK Tap Water Safe to Drink?

Graded D+, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: OK3005605
Overall Score
51 / 100
Violations
5 active
Last Updated
May 2026
Source
Purchased surface water
#196 of 358 in Oklahoma Top 82% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
51/100
waterverge.com
D+ 51/100

Schulter, OK — Water Quality Report

Schulter's drinking water received a grade of D+ (51 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,890 residents using purchased 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 111 violations on record, including 102 health-based violations. 5 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Schulter's water

Schulter ranks #196 out of 358 cities in Oklahoma for water quality, placing it below average 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, Schulter may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 32 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
51 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Schulter, OK water safe to drink?

Concerns Identified

Schulter's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (51/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,890 residents using surface water (rivers, lakes, or reservoirs).

5
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Schulter

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Schulter's water quality assessment. Grade: D+ (51/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

Contaminants: TTHM.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-778). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Schulter's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Schulter's water system has 111 total violations on record, including 102 health-based violations. 5 remain unresolved. 32 violations were issued in the last 5 years.

MCLMRTTRPTMRDL
Most recent violations:
Oct 2025 TTHM Resolved
Jul 2025 TTHM Resolved
Apr 2025 TTHM Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Okmulgee County has experienced 4 federally declared disasters since 1971. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219
SEVERE STORMS & FLOODING
Flood FEMA DR-778
SEVERE STORMS & FLOODING
Flood FEMA DR-441

Where does Schulter's water come from?

Schulter's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,890 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Schulter residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Schulter's water.

Request your utility's CCR

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.

Monitor alerts during storms

Schulter'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

111
Total violations
102
Health-based
5
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

111 Total
5 Active
102 Health-based
106 Resolved
84 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
99
Total Coliform Rule
6
Lead and Copper Rule Revisions
2
Lead and Copper Rule
2
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Apr 2025 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Jul 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Apr 2024 Resolved
Chloramine
Max Disinfectant Level
Health-Based Health Resolved Jun 2024
Jul 2022 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2022
Jul 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2022
Apr 2022 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Apr 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Apr 2022 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Jan 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2022
Jan 2022 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2022
Jan 2022 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2022
Jan 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2022
Oct 2021 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2021
Oct 2021 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2021
Oct 2021 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2021
Showing 20 of 111 violations
Industrial pollution

Top industrial polluters within 10 miles of Schulter

Industrial polluters nearby

Reported releases to surface water by facilities near Schulter, ranked by pounds discharged annually.

Total reported releases to surface water: 48,562 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
CP KELCO
Food · CP KELCO U S INC
OKMULGEE, OK74447
Nitrate compounds (water dissociable; reportable only when in aqueous solution)48,5627.0 mi
ANCHOR GLASS CONTAINER CORPORATION-HENRYETTA
Nonmetallic Mineral Product · ANCHOR GLASS CONTAINER CORP
HENRYETTA, OK74437
4.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Schulter

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D1 — moderate drought

Okmulgee 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.

9.8%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Okmulgee County has experienced 4 federally declared disasters since 1971. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #778
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #441
Sep 1971
HEAVY RAINS & FLOODS
Flood FEMA #314

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 1994 (0.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,890
Water Systems
1
Water Source

Where Schulter's water comes from

Purchased Surface Water

Schulter'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 1,890 people through 1 water system.

Infrastructure

Water systems serving Schulter

System Name PWSID Population Source
OKMULGEE CO. RWD #1 OK3005605 1,890 SWP
Regional Comparison

How Schulter compares

Full Oklahoma rankings →

Schulter's score of 51/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Schulter (this city)
51
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Schulter, OK

Wikipedia →

Schulter is a town in Okmulgee County, Oklahoma, United States. The population was 422 at the time of the 2020 census.

Economic Profile
$71,429
Median Income
$36,151
Median Home Value
$625/mo
Median Rent
2.7%
Unemployment
Community
47.8
Median Age
232
People / sq mi
5.7%
College Educated
87.7%
Homeownership
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Frequently asked questions

Is Schulter, OK tap water safe to drink?

Schulter's water quality earned a grade of D+ (51/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #196 out of 358 cities tested in Oklahoma.

What contaminants are in Schulter's water?

Lead was measured at 0.0 ppb (90th percentile). 111 violations are on record.

How is Schulter'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 Schulter?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Schulter's water come from?

Schulter's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,890 residents.

What health violations has Schulter's water system had?

Schulter has 102 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. 5 violations remain unresolved.

How does Schulter's water compare to other cities?

Schulter ranks #196 out of 358 cities in Oklahoma (better than 45% of state cities) and #12931 out of 15744 cities nationally (18th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Schulter's small water system affect quality?

Schulter's system serves approximately 1,890 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 111 violations on record.