WaterVerge

Is Cement, OK Tap Water Safe to Drink?

Graded B+, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

530 residents served 1 water system PWSID: OK3000806
Overall Score
82.3 / 100
Violations
14 active
Last Updated
May 2026
Source
Purchased ground water
#66 of 358 in Oklahoma Top 45% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.3/100
waterverge.com
B+ 82.3/100

Cement, OK — Water Quality Report

Cement's drinking water received a grade of B+ (82.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 530 residents using purchased ground water.

Lead levels were measured at 0.9 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 1 health-based violation. 14 remain unresolved.

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

What to know about Cement's water

Cement ranks #66 out of 358 cities in Oklahoma for water quality, placing it above average in the state.

Cement purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Cement may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
82.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.3/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.9 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Cement, OK water safe to drink?

Concerns Identified

Cement's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 530 residents using groundwater (wells).

14
Active Violations
0.9 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Cement

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cement's water quality assessment. Grade: B+ (82.3/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
2 drinking water violations recorded

Contaminants: Chlorine, Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4274). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

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

Key contaminant findings

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

Lead Within Limits
Detected: 0.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Cement's water system has 86 total violations on record, including 1 health-based violation. 14 remain unresolved. 4 violations were issued in the last 5 years.

TTRPTMRMONOther
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jul 2023 Chlorine Resolved
Jul 2023 Revised Total Coliform Rule Resolved
Apr 2018 Chlorine Resolved

Flood & environmental risk

Caddo County has experienced 7 federally declared disasters since 1982. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Little Washita River Near Cyril, Little Washita River Near Cement.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4274
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-1754
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219

Where does Cement's water come from?

Cement's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 530 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Little Washita River Near Cyril (river), Little Washita River Near Cement (river).

What Cement residents can do

Install a water filter

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

Cement'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
0.9 ppb
EPA Action Level: 15 ppb · 6% of limit
Safe Level
Compliance Record

Violation summary

86
Total violations
1
Health-based
14
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

86 Total
14 Active
1 Health-based
72 Resolved
Violations by category
Total Coliform Rule
43
Stage 2 Disinfectants and Disinfection Byproducts Rule
19
Consumer Confidence Rule
10
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Lead and Copper Rule
4
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
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 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
Jul 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Jul 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2023
Apr 2018 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2018
Jan 2017 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2017
Jan 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2017
Jan 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Showing 20 of 86 violations
Site context

Superfund sites within 10 miles of Cement

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

D3 — extreme drought

Caddo County is currently in D3 (extreme 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.

14
Weeks at D2+ (current streak)
17.5%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

7
Declared disasters
Jul 2016
Most recent
Flood
Most common type

Caddo County has experienced 7 federally declared disasters since 1982. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4274
May 2008
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #1754
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Jul 1987
SEVERE STORMS & FLOODING
Flood FEMA #794
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #778
Oct 1983
SEVERE STORMS & FLOODING
Flood FEMA #693

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.9 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 increased by 0.9 ppb from 1998 (0.0 ppb) to 2025 (0.9 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
530
Water Systems
1
Water Source

Where Cement's water comes from

Purchased Groundwater

Cement purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Cement's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 530 people through 1 water system.

Local Hydrology

Water bodies near Cement

Cement is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Little Washita River Near Cyril
river
Little Washita River Near Cement
river
Infrastructure

Water systems serving Cement

System Name PWSID Population Source
CEMENT OK3000806 530 GWP
Regional Comparison

How Cement compares

Full Oklahoma rankings →

Cement's score of 82.3/100 is above the average of 45/100 among major Oklahoma cities. It outscores 10 of 10 nearby cities.

Cement (this city)
82.3
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Cement, OK

Wikipedia →

Cement is a town in Caddo County, Oklahoma, United States. The population was 436 as of the 2020 United States census.

Economic Profile
$37,202
Median Income
$625/mo
Median Rent
9.6%
Unemployment
Community
39.5
Median Age
428
People / sq mi
3.1%
College Educated
58.3%
Homeownership
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Frequently asked questions

Is Cement, OK tap water safe to drink?

Cement's water quality earned a grade of B+ (82.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #66 out of 358 cities tested in Oklahoma.

What contaminants are in Cement's water?

Lead was measured at 0.9 ppb (90th percentile). 86 violations are on record.

How is Cement'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 Cement?

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

Where does Cement's water come from?

Cement's water is sourced from Purchased ground water. The city has 1 water system serving approximately 530 residents.

What health violations has Cement's water system had?

Cement has 1 health-based violation on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.

Is Cement's groundwater at risk of contamination?

Cement 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 Cement's water compare to other cities?

Cement ranks #66 out of 358 cities in Oklahoma (better than 82% of state cities) and #7069 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Cement's small water system affect quality?

Cement's system serves approximately 530 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 86 violations on record.