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WaterVerge

Water quality report · updated Jul 2026

Is Caddo Valley, AR Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
1.0 ppb lead, 90th percentile · low
1 unresolved violation
535 people served by 1 water system

PWSID AR0000515 · moderate data confidence · private utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
A 91.7 / 100

#67 of 345Arkansas cities
How we grade →

01The verdict: is Caddo Valley water safe?

Caddo Valley's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 535 residents using surface water (rivers, lakes, or reservoirs).

The concern

1 unresolved violation on record

EPA records show an open compliance item for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 1.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

1 violation in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Caddo Valley's drinking water received a grade of A (91.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 535 residents using purchased surface water.

Lead levels were measured at 1.0 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 7 violations on record, including 0 health-based violations. 1 remains unresolved.

Caddo Valley ranks #67 out of 345 cities in Arkansas for water quality, placing it above 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, Caddo Valley may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 91.7/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
43.7 / 45A
Lead & CopperLead at 1.0 ppb (90th percentile).
19 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
8 / 10B
Source RiskWater source: Purchased surface water.
4 / 5B

02What's in Caddo Valley's water

Every contaminant flagged in Caddo Valley, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Caddo Valley's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 7 violations on record, including 0 health-based violations. 1 remains unresolved.

9 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

1 monitoring & paperwork
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Caddo Valley's water quality assessment. Grade: A (91.7/100).
DisasterSEVERE STORMS, TORNADOES, AND FLOODINGFederal disaster declaration (FEMA DR-4873). Flood event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Revised Total Coliform Rule.Resolved
DisasterHURRICANE LAURAFederal disaster declaration (FEMA DR-3541). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Revised Total Coliform Rule.Resolved
Violation1 drinking water violation recordedContaminants: Coliform (TCR).Resolved
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 1 ppb1994 — 1 ppb1995 — 5 ppb1996 — 1 ppb1999 — 10 ppb2002 — 1 ppb111993199519992002

Down 0 ppb since 1993. Latest reading: 1 ppb (2002) — 7% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Caddo Valley's water comes from

Caddo Valley's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Purchased Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Wholesale supplier

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under private ownership.

Delivery

535 people

Residents served across Caddo Valley's service area.

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 private ownership and serves approximately 535 people through 1 water system.

System namePWSIDPopulationSource
CADDO VALLEY WATERWORKS AR0000515 535 Purchased Surface Water

05Pressure on Caddo Valley's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Industrial discharge

Present — monitored

3 facilities within 10 miles reported 0 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.

ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC 0 lb · 8.1 mi
BUILDING MATERIALS MANUFACTURING LLC 0 lb · 3.1 mi
BUILDING MATERIALS MANUFACTURING LLC - PMMA PRODUCTION 0 lb · 9.0 mi

Flood & storm history

Recurring — declared disasters

6 federal disaster declarations on record for Clark County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

SEVERE STORMS, TORNADOES, AND FLOODING May 2025 · DR-4873
HURRICANE LAURA Aug 2020 · DR-3541
SEVERE STORMS AND FLOODING ASSOCIATED WITH HURRICANE GUSTAV Sep 2008 · DR-1793

Drought

D1 — moderate drought

Clark County is in D1 (moderate drought) per the U.S. Drought Monitor (week of Jul 2026). Drought can raise disinfection-byproduct levels and taste/odor issues as utilities draw from lower reservoirs.

Weeks at D2+ in the last 5 years22 wks
Months in D2+ over the last 30 years15.1%

06How Caddo Valley compares

Scores for nearby Arkansas cities on one line, with the average marked.

Caddo Valley (this city)
91.7 · A
Hot Springs
81.2 · B+
Springdale
79.1 · B
Little Rock
69.3 · C+
Fayetteville
46.4 · D
Fort Smith
45.5 · D

dashed line = Arkansas average (75/100)

Caddo Valley scores 91.7/100above the Arkansas average of 75/100. It outscores 9 of 10 nearby cities. Full Arkansas rankings →

Clark water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Caddo Valley's water — not generic advice.

Extra protection

A basic carbon filter still helps

Caddo Valley's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Caddo Valley alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Caddo Valley, AR tap water safe to drink?

Caddo Valley's water quality earned a grade of A (91.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #67 out of 345 cities tested in Arkansas.

What contaminants are in Caddo Valley's water?

Lead was measured at 1.0 ppb (90th percentile). 7 violations are on record.

How is Caddo Valley'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 Caddo Valley?

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

Where does Caddo Valley's water come from?

Caddo Valley's water is sourced from Purchased surface water. The city has 1 water system serving approximately 535 residents.

How does Caddo Valley's water compare to other cities?

Caddo Valley ranks #67 out of 345 cities in Arkansas (better than 81% of state cities) and #1553 out of 15382 cities nationally (90th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Caddo Valley's small water system affect quality?

Caddo Valley's system serves approximately 535 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 7 violations on record.

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About Caddo Valley, AR: Median household income $63,750 · median age 26.8 · 67.3% homeowners · 20.3% college educated. Service area: 1 ZIP code across Clark.
Show ZIP codes 71923
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.