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— 2025 PROVIDER REPORT

Seminole Improvement District
water report

Start with the quick list. Amounts, limits and explanations are available farther down only if you want them.

SUBSTANCES REPORTED
  • Chlorine and chloramines
  • Haloacetic acids (HAA5)
  • Total trihalomethanes (TTHM)
  • Sodium
  • Lead at SID customer taps
  • PFOS (supplier UCMR5)
  • PFOA (supplier UCMR5)
See amounts and explanations ↓
What is SID water in Westlake?

Seminole Improvement District purchases treated water from Palm Beach County Water Utilities, distributes it in Westlake and monitors the SID system. Confirm SID on the current utility account before relying on these results.

See SID’s lead, PFAS and byproduct results ↓
YOUR PROVIDER WATER SNAPSHOT● Verified official source
7REPORTED

SID distribution-system monitoring and Palm Beach County supplier results reported in the 2025 report

SID states the water met federal, state and local standards

Seminole Improvement District
“7 reported substances translated into plain English below.”
PUBLIC WATER SYSTEM IDFL4504903
WATER SOURCEPalm Beach County surficial-aquifer groundwater supply
TREATMENTTreated by Palm Beach County Water Utilities; distributed and sampled by SID
WHO THIS REPORT COVERSCity of Westlake; confirm Seminole Improvement District on the bill
Seminole Improvement District561-790-1742

— QUICK WATER SUMMARY

What your water provider reported.

Seminole Improvement District distributes Westlake's drinking water and purchases the treated supply from Palm Beach County Water Utilities. SID's latest official report covers 2025 monitoring and states that the water met federal, state and local standards.

Start with the simple list below. Open See details to see whether the comparison is a legal limit, a health benchmark or another value used in the official report.

UTILITY REPORTDescribes the public system

Useful for source water, treatment and provider-wide monitoring.

PROPERTY TESTMeasures one address

Needed when the concern involves a building, service line, private well or exact tap.

IMPORTANTOne does not replace the other

A compliant utility report cannot rule out a plumbing issue inside one property.

Why can a legal water limit change? See what “safe” and “compliant” actually mean →

01Chlorine and chloraminesDisinfectant used to control microbes. The running annual average, rather than any one individual result, is compared with the 4 ppm MRDL.PROVIDER RESULT3.0 ppm running annual averageSee details
REPORT COMPARISON VALUE4 ppm MRDL

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSNo violation reported
TREATMENT CONTEXTWhole-home activated carbon is commonly evaluated.
02Haloacetic acids (HAA5)Disinfection byproducts; reported range was 3.78–33.6 ppb.PROVIDER RESULT28.7 ppbSee details
REPORT COMPARISON VALUE60 ppb

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSNo violation reported
TREATMENT CONTEXTWhole-home activated carbon is commonly evaluated.
03Total trihalomethanes (TTHM)Disinfection byproducts; reported range was 3.29–55.3 ppb.PROVIDER RESULT40.0 ppbSee details
REPORT COMPARISON VALUE80 ppb

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSNo violation reported
TREATMENT CONTEXTWhole-home activated carbon is commonly evaluated.
04SodiumCan reflect natural conditions, saltwater influence and treatment inputs; the supplier table reports a 20.9–68.4 ppm range from its latest required sampling cycle.PROVIDER RESULT68.4 ppmSee details
REPORT COMPARISON VALUE160 ppm Florida standard

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSNo violation reported
TREATMENT CONTEXTPoint-of-use reverse osmosis is commonly evaluated.
05Lead at SID customer tapsThe table reports no system action-level violation. Its narrative says no sampled lead level exceeded 15 ppb, which conflicts with the table's two-site June entry; both statements are disclosed.PROVIDER RESULT3.6 ppb in June and 3.0 ppb in December at the 90th percentile; the table lists two June sites and zero December sites over 15 ppbSee details
REPORT COMPARISON VALUE15 ppb action level; the table marks the system action level as not exceeded

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSSystem action level not exceeded; report contains an internal wording inconsistency
TREATMENT CONTEXTCertified point-of-use RO or contaminant-specific filtration is commonly evaluated.
06PFOS (supplier UCMR5)An unregulated-monitoring result supplied by Palm Beach County Water Utilities for the water SID purchases.PROVIDER RESULT13.5 ppt; range not detected–18 pptSee details
LEGAL LIMIT4 ppt federal MCL; UCMR result is not a current compliance determination

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSSupplier monitoring result
TREATMENT CONTEXTA complete water profile helps a qualified professional select the right approach.
Hardness and TDS can vary from street to street.

A provider report cannot tell us the exact levels at your tap. We need to test your home to give you an accurate measurement.

Get my exact measurements →

*Provider reports describe the public distribution system—not the water at a specific home. Actual results vary by service address, plumbing, seasonal utility conditions and system configuration. A softener does not necessarily reduce TDS. Address-specific testing is required before treatment is recommended.

— YOUR LOCAL WATER HUB

What would you like to check next?

Stay with information for Palm Beach County. Choose one clear next step.

— FLORIDA TAP WATER NEWS & ANSWERS

Important Florida tap water news. Clear everyday answers.

Local developments, treatment changes and practical explanations built from official sources.

NEW CONSUMER GUIDE • HOME WATER TESTSWhat should you expect from a free home water test?What hardness, TDS and pH can show—and which questions require a laboratory →NEW ANALYSIS • DRINKING-WATER STANDARDSWhy do tap-water standards keep changing?What “safe” meant before, what changed and what compliance really tells you →DRINKING-WATER WARNING • OKEECHOBEE COUNTYLead exceeds action level in Okeechobee water samplesWhat residents need to know and do now →
INTERACTIVE WATER-PROBLEM CHECKERDoes your water look, smell or taste different?

Choose what you are noticing and get common causes, a safe first check and guidance on when to call the utility.

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— POPULAR COMMUNITY WATER GUIDES

See official water results for your area—and what can still vary at an individual home.

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