Chatham, MA

Chatham water restrictions

Current outdoor watering rules for Chatham. Coverage can differ by public supplier, private well, or town-wide rule.

2 restriction targets listed. Last checked August 11, 2026.

Water provider

Chatham Water Department

Official sources disagree

Official sources publish different current rules for this coverage target.

MassDEP listing

Mandatory schedule — details incomplete

2026-08-01

The source reports a two-day-per-week limit, but the exact allowed days and watering hours are not confirmed.

Watering schedule

  • Reported limit — 2 watering days per week. Exact allowed days and watering hours are not confirmed.
Source limitation

Do not choose watering days or hours from the reported weekly limit. Confirm the exact schedule with the water provider.

Applies to: supplier customersEffective: 2026-05-01

Town claim

Mandatory watering schedule

2026-07-02

2 watering days per week.

Watering schedule

  • 2 watering days per week — Allowed weekdays: Tuesday, Thursday. Water before 9 a.m. or after 5 p.m. Odd numbered addresses. Watering by sprinkler or irrigation. Customer assigned days only.
  • 2 watering days per week — Allowed weekdays: Wednesday, Friday. Water before 9 a.m. or after 5 p.m. Even numbered addresses. Watering by sprinkler or irrigation. Customer assigned days only.

Exceptions

  • Outdoor water use — households and businesses that draw water from private wells.
Applies to: all non-essential outdoor water use

Town claim

Mandatory schedule — details incomplete

No date published

The source reports a two-day-per-week limit, but the exact allowed days is not confirmed.

Watering schedule

  • Reported limit — 2 watering days per week. Exact allowed days is not confirmed.

Prohibited uses

  • Watering by sprinkler or irrigation — Saturdays, Sundays, and Mondays.

Exceptions

  • Outdoor water use — Households and businesses that draw water from private wells.
Source limitation

Do not choose watering days or hours from the reported weekly limit. Confirm the exact schedule with the water provider.

Applies to: town water users

Town claim

Mandatory schedule and use limits

2026-05-01

2 watering days per week; additional outdoor-use restrictions apply.

Watering schedule

  • 2 watering days per week — Allowed weekdays: Tuesday, Thursday. Water before 9 a.m. or after 5 p.m. Watering by sprinkler or irrigation. Odd numbered addresses.
  • 2 watering days per week — Allowed weekdays: Wednesday, Friday. Water before 9 a.m. or after 5 p.m. Watering by sprinkler or irrigation. Even numbered addresses.

Rule details

  • Restricted use: non-essential outdoor water use — no more than two days per week.
  • Restricted use: watering by sprinkler or irrigation — on customer assigned days only.
  • Prohibited use: washing vehicles — except in a commercial car wash or as necessary for operator safety.
  • Prohibited use: washing exterior building surfaces, parking lots, driveways, or sidewalks — except as necessary to apply surface treatments such as paint, preservatives, stucco, pavement, or concrete.

Exceptions

  • Outdoor water use by households and businesses that draw water from private wells.
Applies to: customers
Coverage targetChatham Water Department
Current source claims4
Last checkedAugust 11, 2026

Claims stay separate when official sources describe different rules. Confirm changes with the listed source before watering.

Private well coverage

Private wells

Multiple current rules

2 current source claims are listed separately.

Town claim

Mandatory watering schedule

2026-07-02

2 watering days per week.

Watering schedule

  • 2 watering days per week — Allowed weekdays: Tuesday, Thursday. Water before 9 a.m. or after 5 p.m. Odd numbered addresses. Watering by sprinkler or irrigation. Customer assigned days only.
  • 2 watering days per week — Allowed weekdays: Wednesday, Friday. Water before 9 a.m. or after 5 p.m. Even numbered addresses. Watering by sprinkler or irrigation. Customer assigned days only.

Exceptions

  • Outdoor water use — households and businesses that draw water from private wells.
Applies to: households and businesses that draw water from private wells

Town claim

Mandatory schedule — details incomplete

No date published

The source reports a two-day-per-week limit, but the exact allowed days is not confirmed.

Watering schedule

  • Reported limit — 2 watering days per week. Exact allowed days is not confirmed.

Prohibited uses

  • Watering by sprinkler or irrigation — Saturdays, Sundays, and Mondays.

Exceptions

  • Outdoor water use — Households and businesses that draw water from private wells.
Source limitation

Do not choose watering days or hours from the reported weekly limit. Confirm the exact schedule with the water provider.

Applies to: households and businesses that draw water from private wells
Coverage targetPrivate wells
Current source claims2
Last checkedAugust 11, 2026

Claims stay separate when official sources describe different rules. Confirm changes with the listed source before watering.

Confirm before watering. Rules can change quickly and may vary by supplier, address, and water source.