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NBU watering rules: Find your day, hours and drought surcharge stage

For New Braunfels Utilities customers: use the last digit of your service address to find your weekly sprinkler day under the Stage 2 rules effective Aug. 10, 2026.

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A blue irrigation controller connects by pipe to a sprinkler spraying water over sparse grass and shrubs.
Illustration: A sprinkler and irrigation controller evoke outdoor watering rules.Original editorial illustration; not a photograph and does not depict the reported event or an exact property.Comal.News Visual Desk · Original illustration · Source ↗ · Comal.News original illustration ↗

NBU’s current-status page lists Stage 2: sprinklers may run once a week on the day assigned to the last digit of the service address, only before 10 a.m. or after 8 p.m. The page says these measures took effect Aug. 10, 2026.

Start with the last digit of your NBU service address, then use the table below to find your day.

From the source record

NBU conservation rulesCurrent Conservation Stage
Landscape watering with an irrigation system or sprinkler remains limited to once per week based on the last digit of your service address.
New Braunfels Utilities ↗
NBU’s current-status page gives the watering schedule by service-address digit and the hours allowed under Stage 2.

For NBU customers, Stage 2 limits outdoor watering but carries no drought surcharge; the adopted plan reserves surcharges for Stages 3 through 5. The watering rules and the surcharge rules answer different questions: your address sets the sprinkler day, while a declared stage and the applicable water-use threshold determine whether a surcharge can apply.

Find your sprinkler day

NBU assigns one landscape-watering day each week to irrigation systems and sprinklers. Every row has the same Stage 2 hours: before 10 a.m. or after 8 p.m. The digit is the last digit of the service address, rather than an account or meter number.

NBU Stage 2 sprinkler schedule by final service-address digit
Address ends inSprinkler dayAllowed hours
0 or 1MondayBefore 10 a.m. or after 8 p.m.
2 or 3TuesdayBefore 10 a.m. or after 8 p.m.
4 or 5WednesdayBefore 10 a.m. or after 8 p.m.
6 or 7ThursdayBefore 10 a.m. or after 8 p.m.
8 or 9FridayBefore 10 a.m. or after 8 p.m.

This table applies to NBU’s listed Stage 2 rules. Check NBU’s current-status page for the stage before watering.

Hand watering and other Stage 2 limits

A hand-held hose, bucket, drip irrigation system or soaker hose that does not spray water into the air may be used on any day before 10 a.m. or after 8 p.m. That any-day allowance does not extend sprinkler use beyond the assigned weekly day. NBU also says decorative outdoor fountains are prohibited unless they run entirely on reclaimed water, and water waste is prohibited year-round.

NBU gives foundations a separate allowance: up to two hours on any day during permitted watering times. It specifies a hand-held hose, or a soaker hose or drip system placed within 24 inches of the foundation that does not spray water above the ground. The placement and two-hour limit matter if you are using that allowance outside your assigned sprinkler day.

When a surcharge could appear

NBU says Stages 0 through 2 have no drought surcharge. Its updated plan, which the utility says the New Braunfels City Council approved Sept. 28 and put into effect Oct. 1, sets surcharge rules for Stages 3 through 5. Those charges are tied to higher water use during a declared severe drought stage; they are separate from NBU’s regular water rates.

The plan lists a Stage 3 surcharge of $4.18 per 1,000 gallons above the applicable threshold. For Stage 4, it lists $4.89 per 1,000 gallons. The plan’s threshold table distinguishes domestic use from a separate irrigation meter: for Stages 3 and 4, it lists 12,000 gallons for domestic use and 6,000 gallons for irrigation use. A customer with one meter should read NBU’s one-meter explanation alongside those figures; NBU says up to 12,000 gallons a month can be used for indoor needs and irrigation before a surcharge applies at those stages.

Stage 5 keeps the $4.89-per-1,000-gallon surcharge but changes the thresholds in NBU’s table: it lists 6,000 gallons for domestic use and says all irrigation use is surcharged. NBU says customers using less than 6,000 gallons of household water a month will not be affected by drought surcharges. These are future-stage rules, not a charge imposed by the Stage 2 status shown on the preserved page.

Check the stage before you water

Drought stages can change. Before setting a sprinkler timer, check NBU’s Current Conservation Stage page for the declared stage, permitted hours and address schedule. For the surcharge thresholds and meter distinctions, use NBU’s Drought Contingency Plan page. This guide covers NBU customers; it does not establish the rules for every utility or address in Comal County.

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