Rate and Regulatory Matters	6 Months Ended
Jun. 30, 2017
Regulated Operations [Abstract]
Rate and Regulatory Matters	Note 2 – Rate and Regulatory Matters Middlesex-In May 2017, Middlesex filed a petition with the New Jersey Board of Public Utilities (the NJBPU) seeking approval to reset its purchased water adjustment clause (PWAC) tariff rate. A PWAC is an optional rate mechanism that allows for the recovery of increased purchased water costs in between base rate case filings with the PWAC reset to zero once those increased costs are included in base rates. A PWAC is subject to an annual true-up. The current PWAC rate became effective November 1, 2016. The current filing includes the true-up and a request to recover additional annual costs of $1.2 million for the purchase of untreated water from the New Jersey Water Supply Authority (NJWSA). The NJWSA increased the rate it charges its subscribers on July 1, 2017. The Company expects that the NJBPU will approve the PWAC rate reset by October 2017 with an effective date of November 1, 2017. Tidewater - Effective July 1, 2017, Tidewater reset its Delaware Public Service Commission-approved Distribution System Improvement Charge (DSIC) rate, which is expected to generate $0.4 million of annual revenues. A DSIC is a rate-mechanism that allows water utilities to recover investments in, and generate a return on, qualifying capital improvements to their water distribution system made between base rate proceedings.

Rate and Regulatory Matters

6 Months Ended

Jun. 30, 2017

Note 2 – Rate and Regulatory Matters

Middlesex-In May 2017, Middlesex filed a petition with the New Jersey Board of Public Utilities (the NJBPU) seeking approval to reset its purchased water adjustment clause (PWAC) tariff rate. A PWAC is an optional rate mechanism that allows for the recovery of increased purchased water costs in between base rate case filings with the PWAC reset to zero once those increased costs are included in base rates. A PWAC is subject to an annual true-up. The current PWAC rate became effective November 1, 2016. The current filing includes the true-up and a request to recover additional annual costs of $1.2 million for the purchase of untreated water from the New Jersey Water Supply Authority (NJWSA). The NJWSA increased the rate it charges its subscribers on July 1, 2017. The Company expects that the NJBPU will approve the PWAC rate reset by October 2017 with an effective date of November 1, 2017.

Tidewater - Effective July 1, 2017, Tidewater reset its Delaware Public Service Commission-approved Distribution System Improvement Charge (DSIC) rate, which is expected to generate $0.4 million of annual revenues. A DSIC is a rate-mechanism that allows water utilities to recover investments in, and generate a return on, qualifying capital improvements to their water distribution system made between base rate proceedings.