Versions of See prior versions of a law on LawServer 2024 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2023 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2022 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2021 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2020 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2019 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2016 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2015 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water 2014 40 CFR 141.855 – Routine monitoring requirements for community water systems serving 1,000 or fewer people using only ground water