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SWFWMD irrigation rules Pinellas County St. Petersburg Clearwater Florida
Irrigation Guide · St. Petersburg & Clearwater

SWFWMD Irrigation Rules:
Pinellas County Guide 2026

PCU watering schedules, rain sensor law, establishment exemptions, PCU vs. SWFWMD enforcement roles, and community-specific compliance for Feather Sound, Tierra Verde, Clearwater Beach, and St. Pete Beach.

Updated April 2026 · 11-minute read

SWFWMD / PCU Quick Reference — Pinellas County

Watering days

2× per week

Year-round

Allowed hours

Before 10am

or after 4pm

Rain sensor

Required

FL Statute 373.62

New sod exemption

30 days

Daily watering OK

Part of SunWest's SWFWMD series — also see Hillsborough County, Manatee County, and Sarasota County

SWFWMD 4-County Guide Series

Southwest Florida Water Management District · Complete Coverage

All four Gulf Coast counties share the same core SWFWMD rules — twice per week, before 10am or after 4pm, rain sensor required. Enforcement structure, permit authorities, and HOA layers differ by county. Select a county to jump to the right guide.

Part of SunWest's Florida irrigation compliance resource library. View the full SWFWMD Florida hub →

SWFWMD, PCU, and Pinellas County: Understanding the Regulatory Stack

The Southwest Florida Water Management District (SWFWMD) governs water use, irrigation scheduling, and permitting across a 16-county region — including all of Pinellas County. But Pinellas County has a critical distinction from neighboring Hillsborough and Manatee counties: Pinellas County Utilities (PCU) is the primary front-line enforcement entity for residential irrigation rule violations.

SWFWMD sets the rules. PCU enforces them for most St. Petersburg, Clearwater, Largo, Dunedin, Safety Harbor, and unincorporated Pinellas County properties connected to PCU's public water supply. Understanding this two-layer structure is essential for Pinellas homeowners: your first contact when something goes wrong will typically be PCU, not a SWFWMD field inspector.

Like the rest of SWFWMD's region, Pinellas County operates under permanent Year-Round Water Conservation Measures — the twice-per-week rule is in effect every day of the year, not just during drought. The aquifer pressure from Tampa Bay's density means this is a standing rule, not a seasonal one.

SWFWMD

Sets rules + retains enforcement authority

  • Establishes Year-Round Conservation Measures (2× per week)
  • Sets restricted hours (before 10am or after 4pm)
  • Issues SWFWMD water use permits for new wells and large systems
  • Declares water shortage phases (Phase I–IV)
  • Can escalate enforcement for serious violations

Pinellas County Utilities (PCU)

Front-line residential enforcement

  • Enforces SWFWMD rules for PCU public water supply customers
  • Issues courtesy notices for first-time violations
  • Conducts irrigation field inspections
  • Processes neighbor-reported violations
  • Issues PCU Schedule of Rates enforcement for repeat violations

SWFWMD / PCU Watering Schedule — Pinellas County 2026

SWFWMD allows landscape irrigation twice per week year-round. The specific permitted days are determined by your property's street address number:

SWFWMD Irrigation Day Schedule — Pinellas County 2026 (Enforced by PCU)

Address TypeWatering DaysAllowed Hours
Odd-numbered addressWednesday & SaturdayBefore 10am or after 4pm
Even-numbered addressThursday & SundayBefore 10am or after 4pm
No address (HOA common areas)Tuesday & FridayBefore 10am or after 4pm
New sod / plants (exemption)Daily for 30 daysAny time during exemption window
Reclaimed water systemsNo restriction on daysBefore 8am or after 6pm (PCU reclaimed rules)

Reclaimed Water — Different Rules in Pinellas County

Pinellas County has one of the largest reclaimed water distribution networks in Florida. Properties connected to PCU's reclaimed water supply are not subject to the same day-of-week restrictions as potable water users — but they do have time-of-day restrictions and their own PCU schedule. If your property uses reclaimed water for irrigation, check your PCU account classification before applying the day-of-week schedule above.

Mid-day watering is prohibited year-round — not just during drought

The 10am–4pm window is off-limits in Pinellas County every day of the year. PCU enforces this uniformly — watering at noon during a wet July is just as much a violation as watering during a March drought. Program controller start times before 8am so all zones complete before 10am.

PCU Enforcement — How It Works in Practice

In Pinellas County, irrigation violations reach homeowners primarily through PCU — not through SWFWMD field inspectors. The most common pathways:

Neighbor complaint

A neighbor observes your system running at noon or on a wrong day and files a PCU complaint. PCU sends an inspector within days. First-time violations typically receive a courtesy notice. Repeat violations escalate.

PCU field inspector patrol

PCU irrigation inspectors patrol neighborhoods — particularly during dry season (October–May) when water demand spikes. Systems watering mid-day or on wrong days are cited directly. No complaint required.

High water consumption monitoring

PCU monitors consumption data. Accounts with anomalously high irrigation consumption — particularly mid-week usage that doesn't match address-day assignments — may trigger an inspection request.

Runoff into storm drain or right-of-way

Irrigation water running across a sidewalk, street, or into a storm drain is a separate violation category. This is enforced independently of day/time violations and can trigger a notice even when the schedule is otherwise correct.

Rain Sensor Requirement — FL Statute 373.62 in Pinellas County

Florida Statute 373.62 requires every automatically operated irrigation system in Pinellas County to have a functioning rain sensor or soil moisture sensor that overrides the controller when sufficient rainfall has occurred. This applies regardless of when your system was installed — an aging sensor that no longer functions is a current violation.

Pinellas County's coastal location creates an ironic challenge: Clearwater and St. Pete receive significant rainfall — 53–55 inches annually — but much of it falls in intense bursts during summer afternoon storms. A system with a failed rain sensor will run on schedule the morning after a 2-inch storm event. PCU enforces rain sensor requirements as part of irrigation inspections.

Rain sensor installation required when

  • Any new automatic irrigation system is installed
  • Existing controller is replaced
  • A permit is pulled for any system modification
  • Commercial and multifamily irrigation systems
  • HOA / PCU district common area systems

Testing your Pinellas County rain sensor

  • Pour water slowly over the sensor head outdoors
  • Active controller should pause within 30–60 seconds
  • If system keeps running — sensor is failed or disconnected
  • Locate sensor on roof edge or fence top — check for salt corrosion on coastal properties
  • Test annually before dry season starts (October)

The 30-Day Establishment Exemption for New Sod in Pinellas County

SWFWMD's twice-per-week schedule permits a 30-day establishment exemption for newly planted sod, ground covers, trees, and plantings — allowing daily watering during the critical root establishment window. In Pinellas County, PCU processes and enforces this exemption.

Pinellas County's coastal sandy soils are generally well-draining — St. Augustine and Floratam sod can establish successfully with twice-per-week watering in some seasons, but spring installation during March–May and fall installation in October–November both benefit significantly from the daily establishment window. Coastal and waterfront properties, where sea breezes accelerate evapotranspiration, particularly benefit from using the full 30-day exemption.

1

Document installation date precisely

The 30-day window begins on the day of installation. Keep the sod delivery receipt or contractor completion invoice with the exact installation date. SunWest provides this documentation as part of every sod installation project in Pinellas County.

2

Notify PCU if you anticipate an inspection

Some Pinellas County homeowners in active enforcement zones proactively note the exemption period when logging in to their PCU account or by calling PCU directly. This is optional but can help if you receive an automated high-consumption inquiry during the daily watering window.

3

Program controller reversion on day 31

Set a reminder to switch back to the address-based twice-per-week schedule exactly on day 31. Controllers left on daily or 3-day-per-week schedules after the exemption expires are a common post-installation violation in Pinellas County.

4

HOA communities: communicate installation date to ARC

In communities like Feather Sound and Isla del Sol, neighbors may report what appears to be excessive watering during the establishment period. Having your ARC-approved landscape plan and contractor documentation on hand prevents unnecessary HOA complaints during the exemption window.

Pinellas County Communities — SWFWMD + PCU Compliance Context

Pinellas County's communities combine SWFWMD/PCU rules with HOA, barrier island, and coastal regulatory layers unique in the Tampa Bay region:

Feather Sound

ARC documentation required

Active HOA/ARC community with monthly review cycle. Irrigation modifications require ARC approval — include SWFWMD/PCU compliance documentation, zone maps, and rain sensor certification in ARC submissions. Golf course community standards require fairway-visible irrigation to use pop-up rotors without visible risers.

Tierra Verde

CCCL + salt air sensor

Barrier island location adds CCCL permitting layer — DEP review for work within ~300 ft of mean high water. SWFWMD/PCU twice-weekly rules apply identically. Salt air degrades standard sensor components faster than inland areas; marine-grade sensor housings recommended. HOA ARC review applies to irrigation modifications.

Snell Isle / Old Northeast

HOA deed restrictions

Tampa Bay waterfront with active deed restrictions and Snell Isle HOA enforcement. Bay-facing lots experience higher evapotranspiration from salt air and wind — establishment periods may feel stressful on twice-per-week schedules in dry season. Smart ET-based controllers help maximize the twice-weekly window.

Clearwater Beach / Island Estates

Verify reclaimed vs. potable

Barrier island — CCCL applies within ~300 ft of mean high water on beachfront parcels. PCU reclaimed water serves many Island Estates properties — different day schedule applies. Salt-tolerant plant selections require longer establishment than inland species. Verify water supply type (potable vs. reclaimed) before programming controller.

Safety Harbor / Palm Harbor

Older controller base

Northern Pinellas communities with strong HOA presence. SWFWMD/PCU rules apply uniformly. Many older neighborhoods (pre-1990s) have controller infrastructure that predates modern smart controller standards — upgrades commonly needed when renovating. PCU serves most of this area.

Dunedin / Tarpon Springs

Verify local utility

Northern Pinellas coastal communities. Dunedin and Tarpon Springs have their own municipal utility systems with separate billing, though SWFWMD rules still govern the schedule. Confirm with your specific utility provider whether PCU or the municipal utility handles enforcement — Tarpon Springs Utilities enforces separately from PCU.

Pinellas vs. Hillsborough vs. Manatee vs. Sarasota: The SWFWMD Rules Compared

All four counties share the same SWFWMD district and the same core twice-per-week rules. The key distinction in Pinellas County is PCU as the primary enforcement entity, plus the reclaimed water network:

CategoryPinellasHillsboroughManateeSarasota
SWFWMD watering daysOdd: Wed/Sat · Even: Thu/SunOdd: Wed/Sat · Even: Thu/SunOdd: Wed/Sat · Even: Thu/SunOdd: Wed/Sat · Even: Thu/Sun
Watering hoursBefore 10am or after 4pmBefore 10am or after 4pmBefore 10am or after 4pmBefore 10am or after 4pm
Primary enforcerPCU (Pinellas County Utilities)Hillsborough County + SWFWMDManatee County UtilitiesSarasota County + SWFWMD
Reclaimed water networkExtensive — different rules applyLimitedGrowing networkModerate
Rain sensor requiredYes — FL Statute 373.62Yes — FL Statute 373.62Yes — FL Statute 373.62Yes — FL Statute 373.62
New sod exemption30 days daily30 days daily30 days daily30 days daily
Coastal salt air factorSignificant — sensor corrosionMinimal (inland market)Moderate coastalModerate coastal

Programming Your Pinellas County Controller for PCU Compliance

Correct controller programming is your primary protection against PCU enforcement notices. Step-by-step for Pinellas County:

1

Confirm water supply type: potable or reclaimed

Before programming any schedule, check your PCU account or utility bill to confirm whether your irrigation is connected to potable water supply or PCU's reclaimed water distribution. Potable connections follow the odd/even day schedule. Reclaimed water connections have a different schedule (check pcufl.com or call PCU directly). Applying the wrong schedule creates violations.

2

Identify your address type (odd or even)

Your potable water irrigation days are determined by your street address number. An address of 4820 means even (Thursday/Sunday). 3317 means odd (Wednesday/Saturday). For rural routes or addresses with letters, call PCU to confirm assignment.

3

Set start times with buffer for all zones

Pinellas County's average 4–7 zone system runs 45–120 minutes. Program your first start time at or before 7:30am to ensure all zones complete before 10am. Evening starts should begin at 5pm or later to safely clear the 4pm restriction.

4

Check for salt corrosion on sensor annually

Pinellas County's coastal salt air accelerates sensor component corrosion faster than inland markets. Sensor housings on coastal properties — Clearwater Beach, Tierra Verde, St. Pete Beach, Snell Isle, Safety Harbor waterfront — should be inspected annually, not just every few years. Look for white salt deposits on the sensor body or wiring connections at the controller.

5

Disable unused controller programs

A common violation source is multiple controller programs (A, B, C) — Program A is set correctly, but Program B was left on a daily schedule from the installation or establishment period and never disabled. Check all programs and set unused ones to zero days or off.

Pinellas County Irrigation Permit Requirements

New irrigation system installations in Pinellas County require a county building permit. Each municipality in Pinellas County has its own permit jurisdiction:

City of St. Petersburg

City of St. Petersburg Building Department — processes irrigation permits. Historic District properties add COA requirement.

City of Clearwater

City of Clearwater Development Services — separate permit office from St. Pete. Clearwater Beach CCCL adds DEP review layer for barrier island work.

Unincorporated Pinellas County

Pinellas County Building and Development Review Services — covers Largo, Safety Harbor, Palm Harbor, and unincorporated areas.

All Pinellas County jurisdictions require the same basic documentation: a Florida-licensed irrigation contractor (C-7 or state certified), site plan showing zone layout, backflow preventer specification, and rain sensor specification with installation location. Permit processing in the City of St. Petersburg typically takes 2–3 weeks for residential irrigation; Clearwater may vary.

Frequently Asked Questions

Common questions from St. Petersburg, Clearwater, and Pinellas County homeowners about SWFWMD irrigation rules and PCU enforcement.

Need PCU-Compliant Irrigation in Pinellas County?

Free estimate for professional irrigation installation or system audit — Feather Sound, Tierra Verde, Clearwater, St. Pete Beach, Safety Harbor, and throughout Pinellas County. We handle PCU compliance, SWFWMD establishment exemptions, and HOA documentation.

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