How often should a portable toilet be serviced in an Austin summer?
Summer servicing is planned from use and heat rather than a fixed calendar. The first 100 degree day commonly arrives in May or June, and the average year has about 29 triple-digit days, so visits are shortened as the heat rises.
The National Weather Service 1991 to 2020 normals put the average date of the first 100 degree day at 4 July, but the spread is wide. The record for triple-digit days is 90, set in 2011, and 2023 was second with 80. The earliest 100 degree day on record at Camp Mabry fell on 4 May 1984, and in the five years before that reporting the first triple-digit day fell in May or June. A calendar that waits for July will miss the heat.
What happens to the waste after a visit?
Portable-toilet waste is chemical toilet waste under Texas transporter rules. It is carried by a registered transporter and delivered to an authorised disposal facility, and nowhere else.
Texas transporter guidance treats portable-toilet waste as chemical toilet waste, alongside sewage sludge and domestic septage. Transporter activity is governed by 30 TAC chapter 312, subchapter G, and a transporter must be registered under 30 TAC 312.142(a) before it can carry the waste. Registration is filed with the state's municipal sludge transporter form, and the registration is the transporter's responsibility, not the customer's.
Why does servicing matter for the federal rule?
A unit that is not kept sanitary does not count toward the minimum under the federal table in 29 CFR 1926.51(c)(1), and OSHA's interpretation letters say so directly. Servicing is part of meeting the rule, not an extra.
OSHA's interpretation letters quote the table in 29 CFR 1926.51(c)(1), and they make clear that a unit in an unsanitary condition does not count toward the required number. A crew that finds a dirty unit has effectively lost a facility, and the count on the site is short until the unit is cleaned. The schedule therefore has to keep the units sanitary across the shift, not only at the end of the week.
What moves the price of servicing?
The price follows the frequency of visits, the number of units, the distance and the time each visit takes, and whether handwashing is serviced on the same route. The provider confirms the figure for the site before work starts.
Frequency is the largest factor. Weekly visits cost less than visits several times a week, and a summer interval set short for the heat adds to the figure. The number of units on a route and the time each unit takes to clean also matter, because a crowded route with many units needs more time on the day.
How does servicing change after a creek flood or a storm?
After a storm or a creek flood, the demand for servicing rises and the schedule has to change. The provider checks the placement and the drainage first, and the visits are timed to the work that is still going on.
Austin's flooding is fast creek flooding. The Halloween 2013 floods damaged homes along Onion and Williamson creeks, and the city bought out homes in the Onion Creek area afterwards. A unit near a creek bank can be undermined or left standing in water, and the visits have to be checked against the placement before the crew goes near it.