Determinants of compliance with drinking water standards in rural Puerto Rico between 1996 and 2000: A multilevel approach

Rafael Guerrero-Preston, José Norat, Mario Rodríguez, Lydia Santiago, Erick Suárez

Research output: Contribution to journalArticle

Abstract

Two hundred and thirty nine (239) drinking water systems in Puerto Rico are not connected to the Puerto Rico Aqueducts and Sewers Authority (PRASA), and are thus known as Non-PRASA drinking water systems. Population served estimates by Non-PRASA systems are in the 100,000 to 300,000 range. Objectives: To identify the determinants of compliance with drinking water standards by rural drinking water systems in Puerto Rico. To identify the best analytical methods for studying the problem of non-compliance with drinking water standards in Puerto Rico and its generalization to similar communities elsewhere. Methods: We reviewed capacity development and drinking water system evaluations performed by governmental and academic institutions between 1993 and 2004. Community and system variables were used to fit a multilevel model to predict compliance with drinking water standards. Data was obtained from the Environmental Protection Agency? Safe Drinking Water Information System and the Puerto Rico Health Department drinking water database for 231 systems, serving 90,000 persons. Results: There was an 11% increase in compliance (1996=4%; 2000=15%), a decrease of 13,634 people served by non-compliant systems (1996=86,169; 2000=72,535) and a 6% decrease in the number of non-compliant systems which had installed treatment equipment (1996=93%; 2000=87%). The prevalence of compliance among those systems that had installed treatment equipment was higher than among those systems that did not have treatment equipment, after adjusting by the time period (est. POR=2.2, 95% CI, 1.40 - 3.44). Conclusions: Our findings suggest alternative public health strategies are needed to ensure sustained safe water capacity in rural communities.

Original languageEnglish (US)
Pages (from-to)229-235
Number of pages7
JournalPuerto Rico health sciences journal
Volume27
Issue number3
StatePublished - Sep 1 2008

Keywords

  • Determinants of environmental health
  • Drinking water quality
  • Multilevel models

ASJC Scopus subject areas

  • Medicine(all)

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    Guerrero-Preston, R., Norat, J., Rodríguez, M., Santiago, L., & Suárez, E. (2008). Determinants of compliance with drinking water standards in rural Puerto Rico between 1996 and 2000: A multilevel approach. Puerto Rico health sciences journal, 27(3), 229-235.