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EPA SDWIS

Okeechobee County Water Quality

Okeechobee County, Florida

Water Grade

C

Water Score

52.7

Violations

3

State Rank

#42

of 66 (1 = best)

EPA SDWIS Compliance

Drinking Water Quality

Water Quality Grade

C

Based on EPA compliance history and violation data

Water Score

52.7/100

Higher = better quality

Health Violations

3

Health-based violations

Violation Rate

12.9%

Systems with violations

Water Advisory: Okeechobee County

Water Verdict

Okeechobee County receives a below-average water quality assessment with a grade of C and a score of 52.7 out of 100. Residents should review their utility's Consumer Confidence Report and may want to consider additional water filtration for drinking.

Violation Context

Okeechobee County has recorded 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 12.9 violations per 1,000 residents, this rate is high and signals significant water quality management issues.

Consumer Guidance

Tap water in Okeechobee County meets baseline standards, but residents who are immunocompromised or have young children may want to use an NSF-certified water filter as a precaution. With 3 recorded health violations, staying informed about utility communications and boil-water notices is especially important. For long-term peace of mind, request your utility's latest Consumer Confidence Report and consider independent water testing if you have specific health concerns.

Regional Context

Okeechobee County has water quality close to the average county in Florida. Its water score is within 3.3 points of the state average, meaning its overall water system performance is broadly representative of Florida as a whole.

Clean Water Act §303(d)

Watershed Health

Impaired Water Bodies

42.1%

569 of 1,350 assessed

Moderate concern

Top Impairment Causes

  • 1

    MERCURY IN FISH TISSUE

  • 2

    DISSOLVED OXYGEN

  • 3

    PHOSPHORUS, TOTAL

Source: EPA ATTAINS · Reporting cycle 2022

Impairment is determined under the Clean Water Act §303(d): a water body is impaired when it fails to meet state-defined quality standards for designated uses (drinking, recreation, aquatic life). Assessment coverage varies by state — counties without assessed water bodies are not shown.

Past 5 years

Water Quality Monitoring

Monitoring Sites

157

Active in the past 5 years

Measurements Recorded

75K

74,831 total readings

Most Measured

  • Physical
  • Nutrient
  • Cyanotoxins, Phytotoxins

Categories measured most frequently

Data from the EPA Water Quality Portal (WQP), aggregating monitoring records from federal, state, and tribal sources. Each measurement represents a single sample analyzed for a specific characteristic (e.g., E. coli, pH, dissolved oxygen, nitrogen).

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Frequently Asked Questions

What is the water quality in Okeechobee County, Florida?
Okeechobee County, Florida has a drinking-water quality grade of C with a score of 52.7/100, based on EPA SDWIS compliance data. The county has 3 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and live streamflow are reported separately on this page.
Are there any water violations in Okeechobee County?
Okeechobee County has 3 health-based drinking water violations recorded by the EPA over the past 5 years. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.
How healthy are the watersheds in Okeechobee County?
EPA ATTAINS assessments under Clean Water Act §303(d) indicate 42.1% of Okeechobee County's 1,350 assessed water bodies are classified as impaired (569 impaired). The top reported causes are MERCURY IN FISH TISSUE, DISSOLVED OXYGEN, PHOSPHORUS, TOTAL. Impairment means the water body fails to meet state quality standards for at least one designated use — drinking water source, recreation, aquatic life, or fish consumption. Note: watershed impairment doesn't always translate to tap-water issues; treatment plants can remove most regulated contaminants.
How much water-quality monitoring happens in Okeechobee County?
EPA's Water Quality Portal records 74,831 measurements from 157 monitoring sites in Okeechobee County over the past five years. The most frequently measured characteristic groups are Physical, Nutrient, Cyanotoxins, Phytotoxins. Each measurement is a single sample analyzed for one characteristic (E. coli, pH, dissolved oxygen, etc.). High monitoring density means more scientific evidence behind any reported signal — it does not by itself indicate water quality.
How does Okeechobee County water compare to the Florida average?
Okeechobee County's SDWIS water quality score of 52.7/100 is lower than the Florida state average of 56.0. The average water quality grade across Florida is D, based on data from 66 counties with available SDWIS data.
Is tap water safe to drink in Okeechobee County?
Based on EPA SDWIS data, Okeechobee County has a water quality grade of C (52.7/100). This indicates moderate compliance. Some violations have been recorded but overall standards are maintained. The grade speaks to the public water system, not the watershed — for watershed-level concerns, see the Watershed Health zone. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does Okeechobee County have clean drinking water?
Okeechobee County has 3 health-based drinking water violations according to EPA records. With a water quality score of 52.7/100 and grade C, the county's drinking water has had some compliance issues but continues to be monitored. Note: drinking-water compliance speaks to the public water system, not necessarily to the watershed itself — check the Watershed Health zone for ATTAINS §303(d) data.
How does Okeechobee County rank for water quality in Florida?
Okeechobee County ranks #42 out of 66 counties in Florida by SDWIS water quality score (1 = best). With a score of 52.7/100, it falls in the middle third of counties statewide. The ranking reflects EPA SDWIS compliance only — not watershed impairment, monitoring density, or streamflow, which are tracked separately on this page.

Counties with Similar Water Quality

Seminole County

Florida

C

54.3

Water score

Polk County

Florida

C

50.8

Water score

Osceola County

Florida

D

50.1

Water score

Data Sources

Drinking-water compliance data from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Watershed health and impaired-waterway data from the EPA ATTAINS Clean Water Act §303(d) assessments — state-reported, EPA-finalized.

Water-quality monitoring counts from the EPA Water Quality Portal (WQP) — federated USGS, EPA, and state agency sampling records over a rolling 5-year window.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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