WaterVerge

Is Howe, OK Tap Water Safe to Drink?

Graded B-, with 8 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: OK3004010
Overall Score
73.9 / 100
Violations
8 active
Last Updated
May 2026
Source
Purchased surface water
#110 of 358 in Oklahoma Top 64% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
73.9/100
waterverge.com
B- 73.9/100

Howe, OK — Water Quality Report

Howe's drinking water received a grade of B- (73.9 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,593 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 39 violations on record, including 16 health-based violations. 8 remain unresolved.

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

What to know about Howe's water

Howe ranks #110 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, Howe may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
73.9 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
27.9/45
C
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
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Howe, OK water safe to drink?

Concerns Identified

Howe's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (73.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,593 residents using surface water (rivers, lakes, or reservoirs).

8
Active Violations
0.0 ppb
Lead (90th %ile)

Recent water quality updates for Howe

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Howe's water quality assessment. Grade: B- (73.9/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: TTHM.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Howe's water system has 39 total violations on record, including 16 health-based violations. 8 remain unresolved. 3 violations were issued in the last 5 years.

MONMRMCL
Most recent violations:
Jun 2023 Revised Total Coliform Rule Resolved
Apr 2023 Chlorine Resolved
Dec 2022 TTHM Open
Dec 2020 TTHM Open
Sep 2020 TTHM Open

Where does Howe's water come from?

Howe's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,593 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Howe residents can do

Install a water filter

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

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

39
Total violations
16
Health-based
8
Active / unresolved
Jun 2023
Most recent violation
Compliance Record

Violations & advisories

39 Total
8 Active
16 Health-based
31 Resolved
13 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
20
Total Coliform Rule
16
Revised Total Coliform Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Dec 2022 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2020 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2020 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2020 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2020 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2019 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2019 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jun 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2023
Apr 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Apr 2020 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Jun 2020
Apr 2020 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2020
Apr 2020 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Mar 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Mar 2020
Jan 2020 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2020
Jan 2020 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2020
Oct 2019 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2019
Oct 2019 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2019
Oct 2019 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2019
Showing 20 of 39 violations
Industrial pollution

Top industrial polluters within 10 miles of Howe

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
OK FOODS INC-HEAVENER (BACHOCO USA)
Food · OK FOODS INC
HEAVENER, OK74937
3.6 mi
OK FOODS INC-HEAVENER FEED MILL
Food · OK FOODS INC
HEAVENER, OK74937
6.0 mi
OLDCASTLE INFRASTRUCTURE INC
Plastics and Rubber · CRH AMERICAS INC
POTEAU, OK74953
6.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Le Flore 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.

15.7%
Months in D2+ (last 30y)
2
Weeks at D2+ (last 5y)

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

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 1992 (0.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,593
Water Systems
1
Water Source

Where Howe's water comes from

Purchased Surface Water

Howe'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 1,593 people through 1 water system.

Infrastructure

Water systems serving Howe

System Name PWSID Population Source
LEFLORE CO. RWD #5 OK3004010 1,593 SWP
Regional Comparison

How Howe compares

Full Oklahoma rankings →

Howe's score of 73.9/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Howe (this city)
73.9
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Howe, OK

Wikipedia →

Howe is a town in Le Flore County, Oklahoma, United States. As of the 2020 census, Howe had a population of 625. The town was once noted for producing coal and coke, but today is chiefly supported by agriculture.

Economic Profile
$45,000
Median Income
$93,698
Median Home Value
$693/mo
Median Rent
3.2%
Unemployment
Community
32.9
Median Age
195
People / sq mi
7.5%
College Educated
66.9%
Homeownership
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Frequently asked questions

Is Howe, OK tap water safe to drink?

Howe's water quality earned a grade of B- (73.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #110 out of 358 cities tested in Oklahoma.

What contaminants are in Howe's water?

Lead was measured at 0.0 ppb (90th percentile). 39 violations are on record.

How is Howe'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 Howe?

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

Where does Howe's water come from?

Howe's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,593 residents.

What health violations has Howe's water system had?

Howe has 16 health-based violations on record. The most recent violation was recorded in June 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

How does Howe's water compare to other cities?

Howe ranks #110 out of 358 cities in Oklahoma (better than 69% of state cities) and #9988 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Howe's small water system affect quality?

Howe's system serves approximately 1,593 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 39 violations on record.