WaterVerge

Is Krebs, OK Tap Water Safe to Drink?

Graded D+, with 7 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: OK1020606
Overall Score
54 / 100
Violations
7 active
Last Updated
May 2026
Source
Surface water
#172 of 358 in Oklahoma Top 80% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
54/100
waterverge.com
D+ 54/100

Krebs, OK — Water Quality Report

Krebs's drinking water received a grade of D+ (54 out of 100), indicating poor water quality. The city's 1 water system serves approximately 2,051 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 102 violations on record, including 68 health-based violations. 7 remain unresolved.

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

What to know about Krebs's water

Krebs ranks #172 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.

As a small community water system, Krebs 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.

Quality Breakdown

Water quality score

See methodology →
54 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
5/45
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Krebs, OK water safe to drink?

Concerns Identified

Krebs's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (54/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,051 residents using surface water (rivers, lakes, or reservoirs).

7
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Krebs

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Krebs's water quality assessment. Grade: D+ (54/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: TTHM.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-1754). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

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 Krebs's water supply.

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

Well within EPA limits.

Violation history

Krebs's water system has 102 total violations on record, including 68 health-based violations. 7 remain unresolved. 14 violations were issued in the last 5 years.

MCLTTMRMONOther
Most recent violations:
Jan 2025 TTHM Resolved
Oct 2024 TTHM Resolved
Jul 2024 TTHM Resolved
Jul 2024 TTHM Resolved
Apr 2024 Interim Enhanced Surface Water Treatment Rule Resolved

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.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-1754
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219
SEVERE STORMS & FLOODING
Flood FEMA DR-441

Where does Krebs's water come from?

Krebs's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,051 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Krebs residents can do

Install a water filter

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

Krebs'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

102
Total violations
68
Health-based
7
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

102 Total
7 Active
68 Health-based
95 Resolved
9 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
41
Stage 2 Disinfectants and Disinfection Byproducts Rule
19
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
16
Surface Water Treatment Rule
15
Consumer Confidence Rule
4
Jul 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Oct 2024 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Jul 2024 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Jul 2024 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Apr 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 2024
Jan 2024 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Mar 2024
Oct 2023 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Dec 2023
Jul 2023 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Sep 2023
Apr 2023 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Jun 2023
Jan 2023 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Mar 2023
Sep 2021 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 2021
Jul 2021 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
May 2021 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved May 2021
Showing 20 of 102 violations
Industrial pollution

Top industrial polluters within 10 miles of Krebs

Industrial polluters nearby

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

Total reported releases to surface water: 19 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
EURECAT US
Chemicals · EURECAT US
MCALESTER, OK74501
Molybdenum trioxide193.3 mi
US ARMY MCALESTER ARMY AMMUNITION PLANT
Other · US DEPARTMENT OF DEFENSE
MCALESTER, OK74501
9.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Pittsburg 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.

17.2%
Months in D2+ (last 30y)
11
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
May 2008
Most recent
Flood
Most common type

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.

May 2008
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #1754
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #441
Dec 1973
SEVERE STORMS & FLOODING
Flood FEMA #409
Jan 1972
SEVERE STORMS & FLOODING
Flood FEMA #317

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 1993 (0.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,051
Water Systems
1
Water Source

Where Krebs's water comes from

Surface Water

Krebs'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 2,051 people through 1 water system.

Infrastructure

Water systems serving Krebs

System Name PWSID Population Source
KREBS UTILITY AUTHORITY OK1020606 2,051 SW
Regional Comparison

How Krebs compares

Full Oklahoma rankings →

Krebs's score of 54/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Krebs (this city)
54
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Krebs, OK

Wikipedia →

Krebs is a city in Pittsburg County, Oklahoma, United States. The population was 2,083 at the time of the 2020 United States census, up 1.5% from the 2,053 reported at the 2010 census, which in turn was a slight increase from the 2,051 reported in 2000. Its nickname is "Little Italy." Krebs was founded before Oklahoma statehood as a coal-mining town in the Choctaw Nation of Indian Territory.

Economic Profile
$45,761
Median Income
$102,182
Median Home Value
$786/mo
Median Rent
5.2%
Unemployment
Community
37.6
Median Age
159
People / sq mi
9.1%
College Educated
58.9%
Homeownership
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Frequently asked questions

Is Krebs, OK tap water safe to drink?

Krebs's water quality earned a grade of D+ (54/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #172 out of 358 cities tested in Oklahoma.

What contaminants are in Krebs's water?

Lead was measured at 0.0 ppb (90th percentile). 102 violations are on record.

How is Krebs'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 Krebs?

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

Where does Krebs's water come from?

Krebs's water is sourced from Surface water. The city has 1 water system serving approximately 2,051 residents.

What health violations has Krebs's water system had?

Krebs has 68 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

How does Krebs's water compare to other cities?

Krebs ranks #172 out of 358 cities in Oklahoma (better than 52% of state cities) and #12645 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.

Does Krebs's small water system affect quality?

Krebs's system serves approximately 2,051 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 102 violations on record.